1:1 2:1,2 3:1,3 4:1,2,4 5:1,5 6:1,2,3,6 7:1,7 8:1,2,4,8 9:1,3,9 10:1,2,5,10 11:1,11 12:1,2,3,4,6,12 13:1,13 14:1,2,7,14 15:1,3,5,15 16:1,2,4,8,16 17:1,17 18:1,2,3,6,9,18 19:1,19 20:1,2,4,5,10,20 21:1,3,7,21 22:1,2,11,22 23:1,23 24:1,2,3,4,6,8,12,24 25:1,5,25 26:1,2,13,26 27:1,3,9,27 28:1,2,4,7,14,28 29:1,29 30:1,2,3,5,6,10,15,30 31:1,31 32:1,2,4,8,16,32 33:1,3,11,33 34:1,2,17,34 35:1,5,7,35 36:1,2,3,4,6,9,12,18,36 37:1,37 38:1,2,19,38 39:1,3,13,39 40:1,2,4,5,8,10,20,40 41:1,41 42:1,2,3,6,7,14,21,42 43:1,43 44:1,2,4,11,22,44 45:1,3,5,9,15,45 46:1,2,23,46 47:1,47 48:1,2,3,4,6,8,12,16,24,48 49:1,7,49 50:1,2,5,10,25,50 51:1,3,17,51 52:1,2,4,13,26,52 53:1,53 54:1,2,3,6,9,18,27,54 55:1,5,11,55 56:1,2,4,7,8,14,28,56 57:1,3,19,57 58:1,2,29,58 59:1,59 60:1,2,3,4,5,6,10,12,15,20,30,60 61:1,61 62:1,2,31,62 63:1,3,7,9,21,63 64:1,2,4,8,16,32,64 65:1,5,13,65 66:1,2,3,6,11,22,33,66 67:1,67 68:1,2,4,17,34,68 69:1,3,23,69 70:1,2,5,7,10,14,35,70 71:1,71 72:1,2,3,4,6,8,9,12,18,24,36,72 73:1,73 74:1,2,37,