81274380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123143}}^1$

素因数の和:123166

約数の個数: 48

約数和(自身を含む): 248258304

約数和(自身を除く): 166983924

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 123143, 246286, 369429, 492572, 615715, 738858, 1231430, 1354573, 1477716, 1847145, 2462860, 2709146, 3694290, 4063719, 5418292, 6772865, 7388580, 8127438, 13545730, 16254876, 20318595, 27091460, 40637190, 81274380]

約数ペア:

[(1, 81274380), (2, 40637190), (3, 27091460), (4, 20318595), (5, 16254876), (6, 13545730), (10, 8127438), (11, 7388580), (12, 6772865), (15, 5418292), (20, 4063719), (22, 3694290), (30, 2709146), (33, 2462860), (44, 1847145), (55, 1477716), (60, 1354573), (66, 1231430), (110, 738858), (132, 615715), (165, 492572), (220, 369429), (330, 246286), (660, 123143)]