5. Smallest Multiple

$2520$$2520$ is the smallest number that can be divided by each of the numbers from $1$$1$ to $10$$10$ without any remainder.

What is the smallest positive number that is evenly divisible (divisible with no remainder) by all of the numbers from $1$$1$ to $20$$20$?

5. 最小的倍数

$2520$$2520$ 是最小的、能被 $1$$1$ 至 $10$$10$ 中的所有整数整除的数。

最小的、能被 $1$$1$ 至 $20$$20$ 中的所有整数整除的数是？

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