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;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ITP1_3D
{
    class Program
    {
        static void Main(string[] args)
        {
            String[] inString = Console.ReadLine().Split(' ');
            int intA = int.Parse(inString[0]);
            int intB = int.Parse(inString[1]);
            int intC = int.Parse(inString[2]);
            int count = 0;
            
            for(int i = intA; i <= intB; i++)
            {
                if (intC % i == 0) count++;
            }

            Console.WriteLine(count);
        }
    }
}