248621520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1783}}^1$

素因数の和:1889

約数の個数: 160

約数和(自身を含む): 891942912

約数和(自身を除く): 643321392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 166, 168, 210, 240, 249, 280, 332, 336, 415, 420, 498, 560, 581, 664, 830, 840, 996, 1162, 1245, 1328, 1660, 1680, 1743, 1783, 1992, 2324, 2490, 2905, 3320, 3486, 3566, 3984, 4648, 4980, 5349, 5810, 6640, 6972, 7132, 8715, 8915, 9296, 9960, 10698, 11620, 12481, 13944, 14264, 17430, 17830, 19920, 21396, 23240, 24962, 26745, 27888, 28528, 34860, 35660, 37443, 42792, 46480, 49924, 53490, 62405, 69720, 71320, 74886, 85584, 99848, 106980, 124810, 139440, 142640, 147989, 149772, 187215, 199696, 213960, 249620, 295978, 299544, 374430, 427920, 443967, 499240, 591956, 599088, 739945, 748860, 887934, 998480, 1035923, 1183912, 1479890, 1497720, 1775868, 2071846, 2219835, 2367824, 2959780, 2995440, 3107769, 3551736, 4143692, 4439670, 5179615, 5919560, 6215538, 7103472, 8287384, 8879340, 10359230, 11839120, 12431076, 15538845, 16574768, 17758680, 20718460, 24862152, 31077690, 35517360, 41436920, 49724304, 62155380, 82873840, 124310760, 248621520]

約数ペア:

[(1, 248621520), (2, 124310760), (3, 82873840), (4, 62155380), (5, 49724304), (6, 41436920), (7, 35517360), (8, 31077690), (10, 24862152), (12, 20718460), (14, 17758680), (15, 16574768), (16, 15538845), (20, 12431076), (21, 11839120), (24, 10359230), (28, 8879340), (30, 8287384), (35, 7103472), (40, 6215538), (42, 5919560), (48, 5179615), (56, 4439670), (60, 4143692), (70, 3551736), (80, 3107769), (83, 2995440), (84, 2959780), (105, 2367824), (112, 2219835), (120, 2071846), (140, 1775868), (166, 1497720), (168, 1479890), (210, 1183912), (240, 1035923), (249, 998480), (280, 887934), (332, 748860), (336, 739945), (415, 599088), (420, 591956), (498, 499240), (560, 443967), (581, 427920), (664, 374430), (830, 299544), (840, 295978), (996, 249620), (1162, 213960), (1245, 199696), (1328, 187215), (1660, 149772), (1680, 147989), (1743, 142640), (1783, 139440), (1992, 124810), (2324, 106980), (2490, 99848), (2905, 85584), (3320, 74886), (3486, 71320), (3566, 69720), (3984, 62405), (4648, 53490), (4980, 49924), (5349, 46480), (5810, 42792), (6640, 37443), (6972, 35660), (7132, 34860), (8715, 28528), (8915, 27888), (9296, 26745), (9960, 24962), (10698, 23240), (11620, 21396), (12481, 19920), (13944, 17830), (14264, 17430)]