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Is 2880 a perfect number? [SOLVED]

Answer

2880 is not perfect because:

1 + 2 + 3 + 4 + 5 + 6 + 8 + 9 + 10 + 12 + 15 + 16 + 18 + 20 + 24 + 30 + 32 + 36 + 40 + 45 + 48 + 60 + 64 + 72 + 80 + 90 + 96 + 120 + 144 + 160 + 180 + 192 + 240 + 288 + 320 + 360 + 480 + 576 + 720 + 960 + 1440 ≠ 2880
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