Mathematics, 06.03.2020 21:40 nick5442
How many positive integers n<_ 20000 have the properties that 2n has 64 positive divisors including 1 and 2n, and 5n has 60 positive divisors including 1 and 5n?
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How many positive integers n<_ 20000 have the properties that 2n has 64 positive divisors includi...
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