205125720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10487}}^1$

素因数の和:10664

約数の個数: 64

約数和(自身を含む): 619211520

約数和(自身を除く): 414085800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 9780, 10487, 19560, 20974, 31461, 41948, 52435, 62922, 83896, 104870, 125844, 157305, 209740, 251688, 314610, 419480, 629220, 1258440, 1709381, 3418762, 5128143, 6837524, 8546905, 10256286, 13675048, 17093810, 20512572, 25640715, 34187620, 41025144, 51281430, 68375240, 102562860, 205125720]

約数ペア:

[(1, 205125720), (2, 102562860), (3, 68375240), (4, 51281430), (5, 41025144), (6, 34187620), (8, 25640715), (10, 20512572), (12, 17093810), (15, 13675048), (20, 10256286), (24, 8546905), (30, 6837524), (40, 5128143), (60, 3418762), (120, 1709381), (163, 1258440), (326, 629220), (489, 419480), (652, 314610), (815, 251688), (978, 209740), (1304, 157305), (1630, 125844), (1956, 104870), (2445, 83896), (3260, 62922), (3912, 52435), (4890, 41948), (6520, 31461), (9780, 20974), (10487, 19560)]