12005560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 31492800

約数和(自身を除く): 19487240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 809, 1060, 1484, 1618, 1855, 2120, 2968, 3236, 3710, 4045, 5663, 6472, 7420, 8090, 11326, 14840, 16180, 22652, 28315, 32360, 42877, 45304, 56630, 85754, 113260, 171508, 214385, 226520, 300139, 343016, 428770, 600278, 857540, 1200556, 1500695, 1715080, 2401112, 3001390, 6002780, 12005560]

約数ペア:

[(1, 12005560), (2, 6002780), (4, 3001390), (5, 2401112), (7, 1715080), (8, 1500695), (10, 1200556), (14, 857540), (20, 600278), (28, 428770), (35, 343016), (40, 300139), (53, 226520), (56, 214385), (70, 171508), (106, 113260), (140, 85754), (212, 56630), (265, 45304), (280, 42877), (371, 32360), (424, 28315), (530, 22652), (742, 16180), (809, 14840), (1060, 11326), (1484, 8090), (1618, 7420), (1855, 6472), (2120, 5663), (2968, 4045), (3236, 3710)]