12640620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 35548128

約数和(自身を除く): 22907508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 461, 914, 922, 1371, 1383, 1828, 1844, 2285, 2305, 2742, 2766, 4570, 4610, 5484, 5532, 6855, 6915, 9140, 9220, 13710, 13830, 27420, 27660, 210677, 421354, 632031, 842708, 1053385, 1264062, 2106770, 2528124, 3160155, 4213540, 6320310, 12640620]

約数ペア:

[(1, 12640620), (2, 6320310), (3, 4213540), (4, 3160155), (5, 2528124), (6, 2106770), (10, 1264062), (12, 1053385), (15, 842708), (20, 632031), (30, 421354), (60, 210677), (457, 27660), (461, 27420), (914, 13830), (922, 13710), (1371, 9220), (1383, 9140), (1828, 6915), (1844, 6855), (2285, 5532), (2305, 5484), (2742, 4610), (2766, 4570)]