27991380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16087}}^1$

素因数の和:16128

約数の個数: 48

約数和(自身を含む): 81083520

約数和(自身を除く): 53092140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 16087, 32174, 48261, 64348, 80435, 96522, 160870, 193044, 241305, 321740, 466523, 482610, 933046, 965220, 1399569, 1866092, 2332615, 2799138, 4665230, 5598276, 6997845, 9330460, 13995690, 27991380]

約数ペア:

[(1, 27991380), (2, 13995690), (3, 9330460), (4, 6997845), (5, 5598276), (6, 4665230), (10, 2799138), (12, 2332615), (15, 1866092), (20, 1399569), (29, 965220), (30, 933046), (58, 482610), (60, 466523), (87, 321740), (116, 241305), (145, 193044), (174, 160870), (290, 96522), (348, 80435), (435, 64348), (580, 48261), (870, 32174), (1740, 16087)]