About the Number

1292880

1292879 ← → 1292881

2進数表記:100111011101001010000

漢数字表記:百二十九万二千八百八十

素因数分解:

2 4 × 3 1 × 5 1 × 5387 1

素因数の和:5403
約数の個数: 40
約数和(自身を含む): 4008672
約数和(自身を除く): 2715792

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5387, 10774, 16161, 21548, 26935, 32322, 43096, 53870, 64644, 80805, 86192, 107740, 129288, 161610, 215480, 258576, 323220, 430960, 646440, 1292880]

約数ペア:
[(1, 1292880), (2, 646440), (3, 430960), (4, 323220), (5, 258576), (6, 215480), (8, 161610), (10, 129288), (12, 107740), (15, 86192), (16, 80805), (20, 64644), (24, 53870), (30, 43096), (40, 32322), (48, 26935), (60, 21548), (80, 16161), (120, 10774), (240, 5387)]

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