405163920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{241169}}^1$

素因数の和:241192

約数の個数: 80

約数和(自身を含む): 1435443840

約数和(自身を除く): 1030279920

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, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 241169, 482338, 723507, 964676, 1205845, 1447014, 1688183, 1929352, 2411690, 2894028, 3376366, 3617535, 3858704, 4823380, 5064549, 5788056, 6752732, 7235070, 8440915, 9646760, 10129098, 11576112, 13505464, 14470140, 16881830, 19293520, 20258196, 25322745, 27010928, 28940280, 33763660, 40516392, 50645490, 57880560, 67527320, 81032784, 101290980, 135054640, 202581960, 405163920]

約数ペア:

[(1, 405163920), (2, 202581960), (3, 135054640), (4, 101290980), (5, 81032784), (6, 67527320), (7, 57880560), (8, 50645490), (10, 40516392), (12, 33763660), (14, 28940280), (15, 27010928), (16, 25322745), (20, 20258196), (21, 19293520), (24, 16881830), (28, 14470140), (30, 13505464), (35, 11576112), (40, 10129098), (42, 9646760), (48, 8440915), (56, 7235070), (60, 6752732), (70, 5788056), (80, 5064549), (84, 4823380), (105, 3858704), (112, 3617535), (120, 3376366), (140, 2894028), (168, 2411690), (210, 1929352), (240, 1688183), (280, 1447014), (336, 1205845), (420, 964676), (560, 723507), (840, 482338), (1680, 241169)]