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: Wrong Answer)

<?php
	$stdin = explode(" ", trim(fgets(STDIN)));
	$count = 0;
	for($i= $stdin[0]; $i<$stdin[1]; $i++) {
		if ($stdin[2] % $i == 0) {
			$count++;
		}
	}
	echo $count . PHP_EOL;