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 Scala (judge verdict: Accepted)

object Main{
    def main(args: Array[String]): Unit ={
        var in = scala.io.StdIn.readLine().split(" ").map(_.toInt)
        println((in(0) to in(1)).filter(i => in(2) % i == 0).length)
    }
}