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find-the-first-number-in-having-a-certain-number-of-divisors-i

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The number 12 is the first number in having six divisors, they are: 1, 2, 3, 4, 6 and 12. Your challenge for this kata is to find the minimum number that has a certain number of divisors. For this purpose we have to create the function

find_min_num() or findMinNum() or similar in the other languages

that receives the wanted number of divisors num_div, and outputs the smallest number having an amount of divisors equals to num_div.

Let's see some cases:

find_min_num(10) = 48 # divisors are: 1, 2, 3, 4, 6, 8, 12, 16, 24 and  48
find_min_num(12) = 60

In this kata all the tests will be with numDiv < 80