205142220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{126631}}^1$

素因数の和:126652

約数の個数: 60

約数和(自身を含む): 643543824

約数和(自身を除く): 438401604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 126631, 253262, 379893, 506524, 633155, 759786, 1139679, 1266310, 1519572, 1899465, 2279358, 2532620, 3419037, 3798930, 4558716, 5698395, 6838074, 7597860, 10257111, 11396790, 13676148, 17095185, 20514222, 22793580, 34190370, 41028444, 51285555, 68380740, 102571110, 205142220]

約数ペア:

[(1, 205142220), (2, 102571110), (3, 68380740), (4, 51285555), (5, 41028444), (6, 34190370), (9, 22793580), (10, 20514222), (12, 17095185), (15, 13676148), (18, 11396790), (20, 10257111), (27, 7597860), (30, 6838074), (36, 5698395), (45, 4558716), (54, 3798930), (60, 3419037), (81, 2532620), (90, 2279358), (108, 1899465), (135, 1519572), (162, 1266310), (180, 1139679), (270, 759786), (324, 633155), (405, 506524), (540, 379893), (810, 253262), (1620, 126631)]