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
$input = preg_split("/\s/",trim(fgets(STDIN)));
$result = 0;

foreach (range($input[0],$input[1]) as $value) {
    if($input[2] % $value == 0){
        $result += 1;
    }
}

echo $result;
?>