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: Wrong Answer)

using System;
using System.Linq;

namespace ITP1 {
	class Program {
		public static void Main() {
			int[] input = Console.ReadLine()
				.Split()
				.Select(int.Parse)
				.ToArray();

			int result = Enumerable.Range(input[0], input[1] - input[0])
				.Where(i => input[2] % i == 0)
				.Count();
			Console.WriteLine(result);
		}

	}
}