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3769: Number With The Given Amount Of Divisors

金币值:2 定数:1 时间限制:2.000 s 内存限制:256 M
正确:0 提交:0 正确率:0.00% 命题人:
点赞量:0 收藏量:0 题目类型:程序

题目描述

time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output

Given the number n, find the smallest positive integer which has exactly n divisors. It is guaranteed that for the given n the answer will not exceed 1018.

Input

The first line of the input contains integer n (1≤n≤1000).

Output

Output the smallest positive integer with exactly n divisors.

Examples
Input
4
Output
6
Input
6
Output
12