87209820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15629}}^1$

素因数の和:15675

約数の個数: 72

約数和(自身を含む): 273087360

約数和(自身を除く): 185877540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15629, 31258, 46887, 62516, 78145, 93774, 140661, 156290, 187548, 234435, 281322, 312580, 468870, 484499, 562644, 703305, 937740, 968998, 1406610, 1453497, 1937996, 2422495, 2813220, 2906994, 4360491, 4844990, 5813988, 7267485, 8720982, 9689980, 14534970, 17441964, 21802455, 29069940, 43604910, 87209820]

約数ペア:

[(1, 87209820), (2, 43604910), (3, 29069940), (4, 21802455), (5, 17441964), (6, 14534970), (9, 9689980), (10, 8720982), (12, 7267485), (15, 5813988), (18, 4844990), (20, 4360491), (30, 2906994), (31, 2813220), (36, 2422495), (45, 1937996), (60, 1453497), (62, 1406610), (90, 968998), (93, 937740), (124, 703305), (155, 562644), (180, 484499), (186, 468870), (279, 312580), (310, 281322), (372, 234435), (465, 187548), (558, 156290), (620, 140661), (930, 93774), (1116, 78145), (1395, 62516), (1860, 46887), (2790, 31258), (5580, 15629)]