12515940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2289

約数の個数: 72

約数和(自身を含む): 39207168

約数和(自身を除く): 26691228

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, 2243, 2790, 4486, 5580, 6729, 8972, 11215, 13458, 20187, 22430, 26916, 33645, 40374, 44860, 67290, 69533, 80748, 100935, 134580, 139066, 201870, 208599, 278132, 347665, 403740, 417198, 625797, 695330, 834396, 1042995, 1251594, 1390660, 2085990, 2503188, 3128985, 4171980, 6257970, 12515940]

約数ペア:

[(1, 12515940), (2, 6257970), (3, 4171980), (4, 3128985), (5, 2503188), (6, 2085990), (9, 1390660), (10, 1251594), (12, 1042995), (15, 834396), (18, 695330), (20, 625797), (30, 417198), (31, 403740), (36, 347665), (45, 278132), (60, 208599), (62, 201870), (90, 139066), (93, 134580), (124, 100935), (155, 80748), (180, 69533), (186, 67290), (279, 44860), (310, 40374), (372, 33645), (465, 26916), (558, 22430), (620, 20187), (930, 13458), (1116, 11215), (1395, 8972), (1860, 6729), (2243, 5580), (2790, 4486)]