12681840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 40095648

約数和(自身を除く): 27413808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 997, 1060, 1272, 1590, 1994, 2120, 2544, 2991, 3180, 3988, 4240, 4985, 5982, 6360, 7976, 9970, 11964, 12720, 14955, 15952, 19940, 23928, 29910, 39880, 47856, 52841, 59820, 79760, 105682, 119640, 158523, 211364, 239280, 264205, 317046, 422728, 528410, 634092, 792615, 845456, 1056820, 1268184, 1585230, 2113640, 2536368, 3170460, 4227280, 6340920, 12681840]

約数ペア:

[(1, 12681840), (2, 6340920), (3, 4227280), (4, 3170460), (5, 2536368), (6, 2113640), (8, 1585230), (10, 1268184), (12, 1056820), (15, 845456), (16, 792615), (20, 634092), (24, 528410), (30, 422728), (40, 317046), (48, 264205), (53, 239280), (60, 211364), (80, 158523), (106, 119640), (120, 105682), (159, 79760), (212, 59820), (240, 52841), (265, 47856), (318, 39880), (424, 29910), (530, 23928), (636, 19940), (795, 15952), (848, 14955), (997, 12720), (1060, 11964), (1272, 9970), (1590, 7976), (1994, 6360), (2120, 5982), (2544, 4985), (2991, 4240), (3180, 3988)]