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In how many ways can 36 be written as the product a*b*c*d, where a, b, c, d are positive integers such that a <= b <= c <= d?

 May 30, 2020
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In how many ways can 36 be written as the product a*b*c*d,     

where a, b, c, d are positive integers such that a <= b <= c <= d?     

 

1 • 1 • 1 • 36  =  36     

1 • 1 • 2 • 18  =  36     

1 • 1 • 3 • 12  =  36     

1 • 1 • 4 •   9  =  36     

1 • 1 • 6 •   6  =  36      

1 • 2 • 2 •   9  =  36     

1 • 2 • 3 •   6  =  36     

1 • 3 • 3 •   4  =  36     

 

2 • 2 • 3 •   3  =  36     

 Aug 23, 2025

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