#T638. 约数个数

约数个数

Description

The smallest number with exactly 1 divisor is 1 (1), the smallest number with exactly 2 divisors is 2 (1, 2)...

The smallest number with exactly n divisors is denoted as Sn.

S1 = 1 (1)

S2 = 2 (1, 2)

S3 = 4 (1, 2, 4)

S4 = 6 (1, 2, 3, 6)

Find S100 (i.e., the smallest positive integer with exactly 100 divisors).

Input Format

None

Output Format

Output the smallest positive integer with exactly 100 divisors.

```input1 无 ``` ```output1 一个整数(题目答案) ``` ## Source

2019 10th Lanqiao Cup C/C++ Group B National Finals Real Questions