n integer >0(adsbygoogle = window.adsbygoogle || []).push({});

n*phi(n)=k! (phi is Euler totient)

Are there infinitely many solutions ?

The first few solutions

n =

1

2

3

15

105

420

1260

13860

Thank you for any comment

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# Infinitely many solutions ? n*phi(n)=k!

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