72719220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173141}}^1$

素因数の和:173160

約数の個数: 48

約数和(自身を含む): 232702848

約数和(自身を除く): 159983628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 173141, 346282, 519423, 692564, 865705, 1038846, 1211987, 1731410, 2077692, 2423974, 2597115, 3462820, 3635961, 4847948, 5194230, 6059935, 7271922, 10388460, 12119870, 14543844, 18179805, 24239740, 36359610, 72719220]

約数ペア:

[(1, 72719220), (2, 36359610), (3, 24239740), (4, 18179805), (5, 14543844), (6, 12119870), (7, 10388460), (10, 7271922), (12, 6059935), (14, 5194230), (15, 4847948), (20, 3635961), (21, 3462820), (28, 2597115), (30, 2423974), (35, 2077692), (42, 1731410), (60, 1211987), (70, 1038846), (84, 865705), (105, 692564), (140, 519423), (210, 346282), (420, 173141)]