12742020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2441}}^1$

素因数の和:2485

約数の個数: 72

約数和(自身を含む): 39999960

約数和(自身を除く): 27257940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2441, 2610, 4882, 5220, 7323, 9764, 12205, 14646, 21969, 24410, 29292, 36615, 43938, 48820, 70789, 73230, 87876, 109845, 141578, 146460, 212367, 219690, 283156, 353945, 424734, 439380, 637101, 707890, 849468, 1061835, 1274202, 1415780, 2123670, 2548404, 3185505, 4247340, 6371010, 12742020]

約数ペア:

[(1, 12742020), (2, 6371010), (3, 4247340), (4, 3185505), (5, 2548404), (6, 2123670), (9, 1415780), (10, 1274202), (12, 1061835), (15, 849468), (18, 707890), (20, 637101), (29, 439380), (30, 424734), (36, 353945), (45, 283156), (58, 219690), (60, 212367), (87, 146460), (90, 141578), (116, 109845), (145, 87876), (174, 73230), (180, 70789), (261, 48820), (290, 43938), (348, 36615), (435, 29292), (522, 24410), (580, 21969), (870, 14646), (1044, 12205), (1305, 9764), (1740, 7323), (2441, 5220), (2610, 4882)]