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 C# (judge verdict: Accepted)

using System;

namespace test
{
	class program
	{
		static void Main()
		{
			string[] str = Console.ReadLine().Split(' ');
			int a = int.Parse(str[0]);
			int b = int.Parse(str[1]);
			int c = int.Parse(str[2]);

			int count = 0;
			for (; a <= b; ++a)
			{
				if (c % a == 0) ++count;
			}
			Console.WriteLine(count);
		}
	}
}