#include <bits/stdc++.h>
int main() {
  int a, b, c, i;
  int syou, amari, kosuu = 0, s;
  scanf("%d %d %d", &a, &b, &c);
  for (i = a; i <= b; i++) {
    syou = c / i;
    amari = c % i;
    if ((amari) = 0) s = kosuu + 1;
  }
  printf("%d\n", &s);
  return 0;
}
