There are two natural numbers, their greatest common divisor is 4, and their least common multiple is 120, so how many groups of such natural arrays are there
有两个自然数，它们的最大公约数是4，最小公倍数是120，那么这样的自然数组有多少组
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<result>4</result>