1918567680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 288

約数和(自身を含む): 6442426368

約数和(自身を除く): 4523858688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 71, 80, 93, 96, 120, 124, 128, 142, 155, 160, 186, 192, 213, 227, 240, 248, 256, 284, 310, 320, 355, 372, 384, 426, 454, 465, 480, 496, 568, 620, 640, 681, 710, 744, 768, 852, 908, 930, 960, 992, 1065, 1135, 1136, 1240, 1280, 1362, 1420, 1488, 1704, 1816, 1860, 1920, 1984, 2130, 2201, 2270, 2272, 2480, 2724, 2840, 2976, 3405, 3408, 3632, 3720, 3840, 3968, 4260, 4402, 4540, 4544, 4960, 5448, 5680, 5952, 6603, 6810, 6816, 7037, 7264, 7440, 7936, 8520, 8804, 9080, 9088, 9920, 10896, 11005, 11360, 11904, 13206, 13620, 13632, 14074, 14528, 14880, 16117, 17040, 17608, 18160, 18176, 19840, 21111, 21792, 22010, 22720, 23808, 26412, 27240, 27264, 28148, 29056, 29760, 32234, 33015, 34080, 35185, 35216, 36320, 39680, 42222, 43584, 44020, 45440, 48351, 52824, 54480, 54528, 56296, 58112, 59520, 64468, 66030, 68160, 70370, 70432, 72640, 80585, 84444, 87168, 88040, 90880, 96702, 105555, 105648, 108960, 112592, 119040, 128936, 132060, 136320, 140740, 140864, 145280, 161170, 168888, 174336, 176080, 193404, 211110, 211296, 217920, 225184, 241755, 257872, 264120, 272640, 281480, 281728, 290560, 322340, 337776, 352160, 386808, 422220, 422592, 435840, 450368, 483510, 499627, 515744, 528240, 562960, 563456, 644680, 675552, 704320, 773616, 844440, 845184, 871680, 900736, 967020, 999254, 1031488, 1056480, 1125920, 1289360, 1351104, 1408640, 1498881, 1547232, 1688880, 1690368, 1801472, 1934040, 1998508, 2062976, 2112960, 2251840, 2498135, 2578720, 2702208, 2817280, 2997762, 3094464, 3377760, 3868080, 3997016, 4125952, 4225920, 4503680, 4996270, 5157440, 5404416, 5995524, 6188928, 6755520, 7494405, 7736160, 7994032, 8451840, 9007360, 9992540, 10314880, 11991048, 12377856, 13511040, 14988810, 15472320, 15988064, 19985080, 20629760, 23982096, 27022080, 29977620, 30944640, 31976128, 39970160, 47964192, 59955240, 61889280, 63952256, 79940320, 95928384, 119910480, 127904512, 159880640, 191856768, 239820960, 319761280, 383713536, 479641920, 639522560, 959283840, 1918567680]

約数ペア:

[(1, 1918567680), (2, 959283840), (3, 639522560), (4, 479641920), (5, 383713536), (6, 319761280), (8, 239820960), (10, 191856768), (12, 159880640), (15, 127904512), (16, 119910480), (20, 95928384), (24, 79940320), (30, 63952256), (31, 61889280), (32, 59955240), (40, 47964192), (48, 39970160), (60, 31976128), (62, 30944640), (64, 29977620), (71, 27022080), (80, 23982096), (93, 20629760), (96, 19985080), (120, 15988064), (124, 15472320), (128, 14988810), (142, 13511040), (155, 12377856), (160, 11991048), (186, 10314880), (192, 9992540), (213, 9007360), (227, 8451840), (240, 7994032), (248, 7736160), (256, 7494405), (284, 6755520), (310, 6188928), (320, 5995524), (355, 5404416), (372, 5157440), (384, 4996270), (426, 4503680), (454, 4225920), (465, 4125952), (480, 3997016), (496, 3868080), (568, 3377760), (620, 3094464), (640, 2997762), (681, 2817280), (710, 2702208), (744, 2578720), (768, 2498135), (852, 2251840), (908, 2112960), (930, 2062976), (960, 1998508), (992, 1934040), (1065, 1801472), (1135, 1690368), (1136, 1688880), (1240, 1547232), (1280, 1498881), (1362, 1408640), (1420, 1351104), (1488, 1289360), (1704, 1125920), (1816, 1056480), (1860, 1031488), (1920, 999254), (1984, 967020), (2130, 900736), (2201, 871680), (2270, 845184), (2272, 844440), (2480, 773616), (2724, 704320), (2840, 675552), (2976, 644680), (3405, 563456), (3408, 562960), (3632, 528240), (3720, 515744), (3840, 499627), (3968, 483510), (4260, 450368), (4402, 435840), (4540, 422592), (4544, 422220), (4960, 386808), (5448, 352160), (5680, 337776), (5952, 322340), (6603, 290560), (6810, 281728), (6816, 281480), (7037, 272640), (7264, 264120), (7440, 257872), (7936, 241755), (8520, 225184), (8804, 217920), (9080, 211296), (9088, 211110), (9920, 193404), (10896, 176080), (11005, 174336), (11360, 168888), (11904, 161170), (13206, 145280), (13620, 140864), (13632, 140740), (14074, 136320), (14528, 132060), (14880, 128936), (16117, 119040), (17040, 112592), (17608, 108960), (18160, 105648), (18176, 105555), (19840, 96702), (21111, 90880), (21792, 88040), (22010, 87168), (22720, 84444), (23808, 80585), (26412, 72640), (27240, 70432), (27264, 70370), (28148, 68160), (29056, 66030), (29760, 64468), (32234, 59520), (33015, 58112), (34080, 56296), (35185, 54528), (35216, 54480), (36320, 52824), (39680, 48351), (42222, 45440), (43584, 44020)]