12906990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2425

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 21215826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2351, 2745, 4702, 5490, 7053, 11755, 14106, 21159, 23510, 35265, 42318, 70530, 105795, 143411, 211590, 286822, 430233, 717055, 860466, 1290699, 1434110, 2151165, 2581398, 4302330, 6453495, 12906990]

約数ペア:

[(1, 12906990), (2, 6453495), (3, 4302330), (5, 2581398), (6, 2151165), (9, 1434110), (10, 1290699), (15, 860466), (18, 717055), (30, 430233), (45, 286822), (61, 211590), (90, 143411), (122, 105795), (183, 70530), (305, 42318), (366, 35265), (549, 23510), (610, 21159), (915, 14106), (1098, 11755), (1830, 7053), (2351, 5490), (2745, 4702)]