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let me give the solution for any given no ....it wud be helpful....
let n= x1x2x3.x4x5= 2^a,3^b,5^c.....
then x1 = 2^@1.3^@2.5^@3.........
similarly for x2,x3,x4....
now we have @1 +%1 +.....= a total no of integral soln will give the answer........
this is a very long method but i tried it myself ...others may give shorter ways....
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Moderation Team
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