About the Number

127813920

127813919 ← → 127813921

2進数表記:111100111100100100100100000

漢数字表記:一億二千七百八十一万三千九百二十

素因数分解:

2 5 × 3 1 × 5 1 × 13 1 × 20483 1

素因数の和:20514
約数の個数: 96
約数和(自身を含む): 433605312
約数和(自身を除く): 305791392

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 20483, 40966, 61449, 81932, 102415, 122898, 163864, 204830, 245796, 266279, 307245, 327728, 409660, 491592, 532558, 614490, 655456, 798837, 819320, 983184, 1065116, 1228980, 1331395, 1597674, 1638640, 1966368, 2130232, 2457960, 2662790, 3195348, 3277280, 3994185, 4260464, 4915920, 5325580, 6390696, 7988370, 8520928, 9831840, 10651160, 12781392, 15976740, 21302320, 25562784, 31953480, 42604640, 63906960, 127813920]

約数ペア:
[(1, 127813920), (2, 63906960), (3, 42604640), (4, 31953480), (5, 25562784), (6, 21302320), (8, 15976740), (10, 12781392), (12, 10651160), (13, 9831840), (15, 8520928), (16, 7988370), (20, 6390696), (24, 5325580), (26, 4915920), (30, 4260464), (32, 3994185), (39, 3277280), (40, 3195348), (48, 2662790), (52, 2457960), (60, 2130232), (65, 1966368), (78, 1638640), (80, 1597674), (96, 1331395), (104, 1228980), (120, 1065116), (130, 983184), (156, 819320), (160, 798837), (195, 655456), (208, 614490), (240, 532558), (260, 491592), (312, 409660), (390, 327728), (416, 307245), (480, 266279), (520, 245796), (624, 204830), (780, 163864), (1040, 122898), (1248, 102415), (1560, 81932), (2080, 61449), (3120, 40966), (6240, 20483)]

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