About the Number

157855880

157855879 ← → 157855881

2進数表記:1001011010001011000010001000

漢数字表記:一億五千七百八十五万五千八百八十

素因数分解:

2 3 × 5 1 × 7 1 × 13 1 × 17 1 × 2551 1

素因数の和:2599
約数の個数: 128
約数和(自身を含む): 463034880
約数和(自身を除く): 305179000

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 2551, 3094, 3640, 4420, 4760, 5102, 6188, 7735, 8840, 10204, 12376, 12755, 15470, 17857, 20408, 25510, 30940, 33163, 35714, 43367, 51020, 61880, 66326, 71428, 86734, 89285, 102040, 132652, 142856, 165815, 173468, 178570, 216835, 232141, 265304, 303569, 331630, 346936, 357140, 433670, 464282, 563771, 607138, 663260, 714280, 867340, 928564, 1127542, 1160705, 1214276, 1326520, 1517845, 1734680, 1857128, 2255084, 2321410, 2428552, 2818855, 3035690, 3946397, 4510168, 4642820, 5637710, 6071380, 7892794, 9285640, 11275420, 12142760, 15785588, 19731985, 22550840, 31571176, 39463970, 78927940, 157855880]

約数ペア:
[(1, 157855880), (2, 78927940), (4, 39463970), (5, 31571176), (7, 22550840), (8, 19731985), (10, 15785588), (13, 12142760), (14, 11275420), (17, 9285640), (20, 7892794), (26, 6071380), (28, 5637710), (34, 4642820), (35, 4510168), (40, 3946397), (52, 3035690), (56, 2818855), (65, 2428552), (68, 2321410), (70, 2255084), (85, 1857128), (91, 1734680), (104, 1517845), (119, 1326520), (130, 1214276), (136, 1160705), (140, 1127542), (170, 928564), (182, 867340), (221, 714280), (238, 663260), (260, 607138), (280, 563771), (340, 464282), (364, 433670), (442, 357140), (455, 346936), (476, 331630), (520, 303569), (595, 265304), (680, 232141), (728, 216835), (884, 178570), (910, 173468), (952, 165815), (1105, 142856), (1190, 132652), (1547, 102040), (1768, 89285), (1820, 86734), (2210, 71428), (2380, 66326), (2551, 61880), (3094, 51020), (3640, 43367), (4420, 35714), (4760, 33163), (5102, 30940), (6188, 25510), (7735, 20408), (8840, 17857), (10204, 15470), (12376, 12755)]

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