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.
| Time Limit | $1$ 秒/Second(s) | Memory Limit | $512$ 兆字节/Megabyte(s) | 
| 提交总数 | $1302$ | 正确数量 | $730$" | 
| 裁判形式 | 标准裁判/Standard Judge | 我的状态 | 尚未尝试 | 
| 难度 | 分类标签 | STL | 
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.
5 14 80
                        3
                        1 ≤ a, b, c ≤ 10000
a ≤ b