15721447560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1439693}}^1$

素因数の和:1439727

約数の個数: 128

約数和(自身を含む): 58048462080

約数和(自身を除く): 42327014520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1439693, 2879386, 4319079, 5758772, 7198465, 8638158, 10077851, 11517544, 14396930, 17276316, 18716009, 20155702, 21595395, 28793860, 30233553, 34552632, 37432018, 40311404, 43190790, 50389255, 56148027, 57587720, 60467106, 74864036, 80622808, 86381580, 93580045, 100778510, 112296054, 120934212, 131012063, 149728072, 151167765, 172763160, 187160090, 201557020, 224592108, 241868424, 262024126, 280740135, 302335530, 374320180, 393036189, 403114040, 449184216, 524048252, 561480270, 604671060, 655060315, 748640360, 786072378, 1048096504, 1122960540, 1209342120, 1310120630, 1572144756, 1965180945, 2245921080, 2620241260, 3144289512, 3930361890, 5240482520, 7860723780, 15721447560]

約数ペア:

[(1, 15721447560), (2, 7860723780), (3, 5240482520), (4, 3930361890), (5, 3144289512), (6, 2620241260), (7, 2245921080), (8, 1965180945), (10, 1572144756), (12, 1310120630), (13, 1209342120), (14, 1122960540), (15, 1048096504), (20, 786072378), (21, 748640360), (24, 655060315), (26, 604671060), (28, 561480270), (30, 524048252), (35, 449184216), (39, 403114040), (40, 393036189), (42, 374320180), (52, 302335530), (56, 280740135), (60, 262024126), (65, 241868424), (70, 224592108), (78, 201557020), (84, 187160090), (91, 172763160), (104, 151167765), (105, 149728072), (120, 131012063), (130, 120934212), (140, 112296054), (156, 100778510), (168, 93580045), (182, 86381580), (195, 80622808), (210, 74864036), (260, 60467106), (273, 57587720), (280, 56148027), (312, 50389255), (364, 43190790), (390, 40311404), (420, 37432018), (455, 34552632), (520, 30233553), (546, 28793860), (728, 21595395), (780, 20155702), (840, 18716009), (910, 17276316), (1092, 14396930), (1365, 11517544), (1560, 10077851), (1820, 8638158), (2184, 7198465), (2730, 5758772), (3640, 4319079), (5460, 2879386), (10920, 1439693)]