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Let y be an element of the set A={1,2,3,...

Let `y` be an element of the set `A={1,2,3,4,5,6,10,15,30}` and `x_(1)`, `x_(2)`, `x_(3)` be integers such that `x_(1)x_(2)x_(3)=y`, then the number of positive integral solutions of `x_(1)x_(2)x_(3)=y` is

A

64

B

27

C

81

D

30

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The correct Answer is:
A
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