72481080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86287}}^1$

素因数の和:86308

約数の個数: 64

約数和(自身を含む): 248509440

約数和(自身を除く): 176028360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86287, 172574, 258861, 345148, 431435, 517722, 604009, 690296, 862870, 1035444, 1208018, 1294305, 1725740, 1812027, 2070888, 2416036, 2588610, 3020045, 3451480, 3624054, 4832072, 5177220, 6040090, 7248108, 9060135, 10354440, 12080180, 14496216, 18120270, 24160360, 36240540, 72481080]

約数ペア:

[(1, 72481080), (2, 36240540), (3, 24160360), (4, 18120270), (5, 14496216), (6, 12080180), (7, 10354440), (8, 9060135), (10, 7248108), (12, 6040090), (14, 5177220), (15, 4832072), (20, 3624054), (21, 3451480), (24, 3020045), (28, 2588610), (30, 2416036), (35, 2070888), (40, 1812027), (42, 1725740), (56, 1294305), (60, 1208018), (70, 1035444), (84, 862870), (105, 690296), (120, 604009), (140, 517722), (168, 431435), (210, 345148), (280, 258861), (420, 172574), (840, 86287)]