Asked by andrew

How many ordered pairs of positive integers 1≤k≤n≤50 are there, such that k divides n, and (n/k )!= n!/k! ?
Answered by Calvin
Hi Andrew. We will delete your Brilliant account if you continue to cheat using websites such as these.

Thank you for cooperating,
Calvin.
Answered by andrew
is it ? are you know my Brilliant Accout?
hahaha freaking stupid threat
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