31807290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 78693120

約数和(自身を除く): 46885830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 109, 137, 142, 213, 218, 274, 327, 355, 411, 426, 545, 654, 685, 710, 822, 1065, 1090, 1370, 1635, 2055, 2130, 3270, 4110, 7739, 9727, 14933, 15478, 19454, 23217, 29181, 29866, 38695, 44799, 46434, 48635, 58362, 74665, 77390, 89598, 97270, 116085, 145905, 149330, 223995, 232170, 291810, 447990, 1060243, 2120486, 3180729, 5301215, 6361458, 10602430, 15903645, 31807290]

約数ペア:

[(1, 31807290), (2, 15903645), (3, 10602430), (5, 6361458), (6, 5301215), (10, 3180729), (15, 2120486), (30, 1060243), (71, 447990), (109, 291810), (137, 232170), (142, 223995), (213, 149330), (218, 145905), (274, 116085), (327, 97270), (355, 89598), (411, 77390), (426, 74665), (545, 58362), (654, 48635), (685, 46434), (710, 44799), (822, 38695), (1065, 29866), (1090, 29181), (1370, 23217), (1635, 19454), (2055, 15478), (2130, 14933), (3270, 9727), (4110, 7739)]