Problem:
How Many Divisors?

Write a program which reads three integers a, b and c, and prints the number of divisors of c between a and b.

Input

Three integers a, b and c are given in a line separated by a single space.

Output

Print the number of divisors in a line.

Constraints

1 ≤ a, b, c ≤ 10000

a ≤ b

Sample Input 1

5 14 80

Sample Output 1

3

Solution in PHP (judge verdict: Accepted)

<?php

fscanf(STDIN, "%d %d %d", $min, $max, $num); 
$count = 0;
for ($i =  $min; $i <= $max; $i++){
  if ($num % $i === 0){
    $count++;
  }
}
echo $count."\n";