1255931520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21101}}^1$

素因数の和:21154

約数の個数: 128

約数和(自身を含む): 4132615680

約数和(自身を除く): 2876684160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 21101, 29760, 42202, 59520, 63303, 84404, 105505, 126606, 168808, 211010, 253212, 316515, 337616, 422020, 506424, 633030, 654131, 675232, 844040, 1012848, 1266060, 1308262, 1350464, 1688080, 1962393, 2025696, 2532120, 2616524, 2700928, 3270655, 3376160, 3924786, 4051392, 5064240, 5233048, 6541310, 6752320, 7849572, 8102784, 9811965, 10128480, 10466096, 13082620, 13504640, 15699144, 19623930, 20256960, 20932192, 26165240, 31398288, 39247860, 40513920, 41864384, 52330480, 62796576, 78495720, 83728768, 104660960, 125593152, 156991440, 209321920, 251186304, 313982880, 418643840, 627965760, 1255931520]

約数ペア:

[(1, 1255931520), (2, 627965760), (3, 418643840), (4, 313982880), (5, 251186304), (6, 209321920), (8, 156991440), (10, 125593152), (12, 104660960), (15, 83728768), (16, 78495720), (20, 62796576), (24, 52330480), (30, 41864384), (31, 40513920), (32, 39247860), (40, 31398288), (48, 26165240), (60, 20932192), (62, 20256960), (64, 19623930), (80, 15699144), (93, 13504640), (96, 13082620), (120, 10466096), (124, 10128480), (128, 9811965), (155, 8102784), (160, 7849572), (186, 6752320), (192, 6541310), (240, 5233048), (248, 5064240), (310, 4051392), (320, 3924786), (372, 3376160), (384, 3270655), (465, 2700928), (480, 2616524), (496, 2532120), (620, 2025696), (640, 1962393), (744, 1688080), (930, 1350464), (960, 1308262), (992, 1266060), (1240, 1012848), (1488, 844040), (1860, 675232), (1920, 654131), (1984, 633030), (2480, 506424), (2976, 422020), (3720, 337616), (3968, 316515), (4960, 253212), (5952, 211010), (7440, 168808), (9920, 126606), (11904, 105505), (14880, 84404), (19840, 63303), (21101, 59520), (29760, 42202)]