About the Number

1220972280

1220972279 ← → 1220972281

2進数表記:1001000110001101000111011111000

漢数字表記:十二億二千九十七万二千二百八十

素因数分解:

2 3 × 3 1 × 5 1 × 11 2 × 84089 1

素因数の和:84125
約数の個数: 96
約数和(自身を含む): 4026229200
約数和(自身を除く): 2805256920

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1815, 2420, 2904, 3630, 4840, 7260, 14520, 84089, 168178, 252267, 336356, 420445, 504534, 672712, 840890, 924979, 1009068, 1261335, 1681780, 1849958, 2018136, 2522670, 2774937, 3363560, 3699916, 4624895, 5045340, 5549874, 7399832, 9249790, 10090680, 10174769, 11099748, 13874685, 18499580, 20349538, 22199496, 27749370, 30524307, 36999160, 40699076, 50873845, 55498740, 61048614, 81398152, 101747690, 110997480, 122097228, 152621535, 203495380, 244194456, 305243070, 406990760, 610486140, 1220972280]

約数ペア:
[(1, 1220972280), (2, 610486140), (3, 406990760), (4, 305243070), (5, 244194456), (6, 203495380), (8, 152621535), (10, 122097228), (11, 110997480), (12, 101747690), (15, 81398152), (20, 61048614), (22, 55498740), (24, 50873845), (30, 40699076), (33, 36999160), (40, 30524307), (44, 27749370), (55, 22199496), (60, 20349538), (66, 18499580), (88, 13874685), (110, 11099748), (120, 10174769), (121, 10090680), (132, 9249790), (165, 7399832), (220, 5549874), (242, 5045340), (264, 4624895), (330, 3699916), (363, 3363560), (440, 2774937), (484, 2522670), (605, 2018136), (660, 1849958), (726, 1681780), (968, 1261335), (1210, 1009068), (1320, 924979), (1452, 840890), (1815, 672712), (2420, 504534), (2904, 420445), (3630, 336356), (4840, 252267), (7260, 168178), (14520, 84089)]

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