21478028160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:753

約数の個数: 256

約数和(自身を含む): 69455880000

約数和(自身を除く): 47977851840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 149, 160, 192, 193, 240, 298, 320, 384, 386, 389, 447, 480, 579, 596, 640, 745, 772, 778, 894, 960, 965, 1158, 1167, 1192, 1490, 1544, 1556, 1788, 1920, 1930, 1945, 2235, 2316, 2334, 2384, 2895, 2980, 3088, 3112, 3576, 3860, 3890, 4470, 4632, 4668, 4768, 5790, 5835, 5960, 6176, 6224, 7152, 7720, 7780, 8940, 9264, 9336, 9536, 11580, 11670, 11920, 12352, 12448, 14304, 15440, 15560, 17880, 18528, 18672, 19072, 23160, 23340, 23840, 24704, 24896, 28608, 28757, 30880, 31120, 35760, 37056, 37344, 46320, 46680, 47680, 49792, 57216, 57514, 57961, 61760, 62240, 71520, 74112, 74688, 75077, 86271, 92640, 93360, 95360, 115028, 115922, 123520, 124480, 143040, 143785, 149376, 150154, 172542, 173883, 185280, 186720, 225231, 230056, 231844, 248960, 286080, 287570, 289805, 300308, 345084, 347766, 370560, 373440, 375385, 431355, 450462, 460112, 463688, 575140, 579610, 600616, 690168, 695532, 746880, 750770, 862710, 869415, 900924, 920224, 927376, 1126155, 1150280, 1159220, 1201232, 1380336, 1391064, 1501540, 1725420, 1738830, 1801848, 1840448, 1854752, 2252310, 2300560, 2318440, 2402464, 2760672, 2782128, 3003080, 3450840, 3477660, 3603696, 3680896, 3709504, 4504620, 4601120, 4636880, 4804928, 5521344, 5564256, 6006160, 6901680, 6955320, 7207392, 7419008, 9009240, 9202240, 9273760, 9609856, 11042688, 11128512, 11186473, 12012320, 13803360, 13910640, 14414784, 18018480, 18404480, 18547520, 22257024, 22372946, 24024640, 27606720, 27821280, 28829568, 33559419, 36036960, 37095040, 44745892, 48049280, 55213440, 55642560, 55932365, 67118838, 72073920, 89491784, 111285120, 111864730, 134237676, 144147840, 167797095, 178983568, 223729460, 268475352, 335594190, 357967136, 447458920, 536950704, 671188380, 715934272, 894917840, 1073901408, 1342376760, 1431868544, 1789835680, 2147802816, 2684753520, 3579671360, 4295605632, 5369507040, 7159342720, 10739014080, 21478028160]

約数ペア:

[(1, 21478028160), (2, 10739014080), (3, 7159342720), (4, 5369507040), (5, 4295605632), (6, 3579671360), (8, 2684753520), (10, 2147802816), (12, 1789835680), (15, 1431868544), (16, 1342376760), (20, 1073901408), (24, 894917840), (30, 715934272), (32, 671188380), (40, 536950704), (48, 447458920), (60, 357967136), (64, 335594190), (80, 268475352), (96, 223729460), (120, 178983568), (128, 167797095), (149, 144147840), (160, 134237676), (192, 111864730), (193, 111285120), (240, 89491784), (298, 72073920), (320, 67118838), (384, 55932365), (386, 55642560), (389, 55213440), (447, 48049280), (480, 44745892), (579, 37095040), (596, 36036960), (640, 33559419), (745, 28829568), (772, 27821280), (778, 27606720), (894, 24024640), (960, 22372946), (965, 22257024), (1158, 18547520), (1167, 18404480), (1192, 18018480), (1490, 14414784), (1544, 13910640), (1556, 13803360), (1788, 12012320), (1920, 11186473), (1930, 11128512), (1945, 11042688), (2235, 9609856), (2316, 9273760), (2334, 9202240), (2384, 9009240), (2895, 7419008), (2980, 7207392), (3088, 6955320), (3112, 6901680), (3576, 6006160), (3860, 5564256), (3890, 5521344), (4470, 4804928), (4632, 4636880), (4668, 4601120), (4768, 4504620), (5790, 3709504), (5835, 3680896), (5960, 3603696), (6176, 3477660), (6224, 3450840), (7152, 3003080), (7720, 2782128), (7780, 2760672), (8940, 2402464), (9264, 2318440), (9336, 2300560), (9536, 2252310), (11580, 1854752), (11670, 1840448), (11920, 1801848), (12352, 1738830), (12448, 1725420), (14304, 1501540), (15440, 1391064), (15560, 1380336), (17880, 1201232), (18528, 1159220), (18672, 1150280), (19072, 1126155), (23160, 927376), (23340, 920224), (23840, 900924), (24704, 869415), (24896, 862710), (28608, 750770), (28757, 746880), (30880, 695532), (31120, 690168), (35760, 600616), (37056, 579610), (37344, 575140), (46320, 463688), (46680, 460112), (47680, 450462), (49792, 431355), (57216, 375385), (57514, 373440), (57961, 370560), (61760, 347766), (62240, 345084), (71520, 300308), (74112, 289805), (74688, 287570), (75077, 286080), (86271, 248960), (92640, 231844), (93360, 230056), (95360, 225231), (115028, 186720), (115922, 185280), (123520, 173883), (124480, 172542), (143040, 150154), (143785, 149376)]