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.Text;


namespace ConsoleApplication7
{
    class Program
    {
        static void Main(string[] args)
        {
           
                string[] s = Console.ReadLine().Split(' ');

                int a = int.Parse(s[0]);
                int b = int.Parse(s[1]);
                int c = int.Parse(s[2]);

                int n = 0;
                for(int x = a; x<=b; x++)
                {
                     if(c%x==0)
                    {
                       n++;
                     }
               
                 }

                Console.WriteLine(n);
                
            
        }
    }
}