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Is 120 Is A Perfect Number? [Solved]

120 is the first multiply perfect number of order three (a 3-perfect or triperfect number). The sum of its factors (including one and itself) sum to 360; exactly three times 120. Note that perfect numbers are order two (2-perfect) by the same definition.

Number Theory | Perfect Numbers

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The Six Triperfect Numbers - Numberphile

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8128 and Perfect Numbers - Numberphile

For many years, 8128 was the largest known