An input device for inputting information corresponding to approach of an object to an operation surface, the input device comprising: a plurality of electrodes each having a plurality of terminals and having N terminals as a whole; a capacitance detection part configured to receive input of electric charges stored between the object approaching the operation surface and the electrodes, from the N terminals, and generate detection data corresponding to a capacitance between the object and the electrode, for each of the N terminals, on the basis of the inputted electric charges, wherein the capacitance detection part includes charge amplifiers (12-k; 12-k) and each of the terminals of the same electrode is connected to a separate charge amplifier (12-k; 12-k); and an element data configuration part configured to form M pieces of element data, whereby M is an integer larger than N, indicating degrees of approach of the object in respective M segments into which the operation surface is virtually divided, on the basis of the N pieces of detection data, wherein each of the M segments overlaps one or more of the electrodes, the capacitance detection part simultaneously receives input of the electric charges stored at one of the electrodes from the plurality of terminals provided to the one of the electrodes, as a result of the simultaneous input, partial electric charges stored between the object and an overlapping portion of the one of the electrodes overlapping one of the segments are distributed as distribution electric charges to each of the plurality of terminals in accordance with a conductance from the overlapping portion to each of the plurality of terminals, and at least some of the plurality of electrodes include first partial electrodes each provided within one of the segments and formed from a first conductive material, and second partial electrodes each provided between two first partial electrodes belonging to two adjacent segments and formed from a second conductive material having lower conductivity than the first conductive material. a plurality of electrodes each having a plurality of terminals and having N terminals as a whole; a capacitance detection part configured to receive input of electric charges stored between the object approaching the operation surface and the electrodes, from the N terminals, and generate detection data corresponding to a capacitance between the object and the electrode, for each of the N terminals, on the basis of the inputted electric charges, wherein the capacitance detection part includes charge amplifiers (12-k; 12-k) and each of the terminals of the same electrode is connected to a separate charge amplifier (12-k; 12-k); and an element data configuration part configured to form M pieces of element data, whereby M is an integer larger than N, indicating degrees of approach of the object in respective M segments into which the operation surface is virtually divided, on the basis of the N pieces of detection data, wherein each of the M segments overlaps one or more of the electrodes, the capacitance detection part simultaneously receives input of the electric charges stored at one of the electrodes from the plurality of terminals provided to the one of the electrodes, as a result of the simultaneous input, partial electric charges stored between the object and an overlapping portion of the one of the electrodes overlapping one of the segments are distributed as distribution electric charges to each of the plurality of terminals in accordance with a conductance from the overlapping portion to each of the plurality of terminals, and at least some of the plurality of electrodes include first partial electrodes each provided within one of the segments and formed from a first conductive material, and second partial electrodes each provided between two first partial electrodes belonging to two adjacent segments and formed from a second conductive material having lower conductivity than the first conductive material. first partial electrodes each provided within one of the segments and formed from a first conductive material, and second partial electrodes each provided between two first partial electrodes belonging to two adjacent segments and formed from a second conductive material having lower conductivity than the first conductive material.