1660988920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{5323}}^1$

素因数の和:5632

約数の個数: 64

約数和(自身を含む): 3881196000

約数和(自身を除く): 2220207080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 269, 290, 538, 580, 1076, 1160, 1345, 2152, 2690, 5323, 5380, 7801, 10646, 10760, 15602, 21292, 26615, 31204, 39005, 42584, 53230, 62408, 78010, 106460, 154367, 156020, 212920, 308734, 312040, 617468, 771835, 1234936, 1431887, 1543670, 2863774, 3087340, 5727548, 6174680, 7159435, 11455096, 14318870, 28637740, 41524723, 57275480, 83049446, 166098892, 207623615, 332197784, 415247230, 830494460, 1660988920]

約数ペア:

[(1, 1660988920), (2, 830494460), (4, 415247230), (5, 332197784), (8, 207623615), (10, 166098892), (20, 83049446), (29, 57275480), (40, 41524723), (58, 28637740), (116, 14318870), (145, 11455096), (232, 7159435), (269, 6174680), (290, 5727548), (538, 3087340), (580, 2863774), (1076, 1543670), (1160, 1431887), (1345, 1234936), (2152, 771835), (2690, 617468), (5323, 312040), (5380, 308734), (7801, 212920), (10646, 156020), (10760, 154367), (15602, 106460), (21292, 78010), (26615, 62408), (31204, 53230), (39005, 42584)]