问题重述: 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20? 问题的意思是找出可以整除小于等于某个数的所有公倍数,给出的测试用例是可以整除小…