Difference between revisions of "2005 Alabama ARML TST Problems/Problem 6"
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Revision as of 14:50, 17 November 2006
Problem
How many of the positive divisors of 3,240,000 are perfect cubes?
Solution
. We want to know how many numbers are in the form , ,, ; there are 12 such numbers, if we count 1 as a perfect cube.