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Q. The number of divisors of $7 !$ is

TS EAMCET 2016

Solution:

$\because 7 !=2^{4}\, 3^{2}\, 5^{1} \,7^{1}$
$\therefore $ Number of divisors
$=5 \times 3 \times 2 \times 2 $
$=60 $