1278334920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{8329}}^1$

素因数の和:9622

約数の個数: 64

約数和(自身を含む): 3838464000

約数和(自身を除く): 2560129080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1279, 2558, 3837, 5116, 6395, 7674, 8329, 10232, 12790, 15348, 16658, 19185, 24987, 25580, 30696, 33316, 38370, 41645, 49974, 51160, 66632, 76740, 83290, 99948, 124935, 153480, 166580, 199896, 249870, 333160, 499740, 999480, 10652791, 21305582, 31958373, 42611164, 53263955, 63916746, 85222328, 106527910, 127833492, 159791865, 213055820, 255666984, 319583730, 426111640, 639167460, 1278334920]

約数ペア:

[(1, 1278334920), (2, 639167460), (3, 426111640), (4, 319583730), (5, 255666984), (6, 213055820), (8, 159791865), (10, 127833492), (12, 106527910), (15, 85222328), (20, 63916746), (24, 53263955), (30, 42611164), (40, 31958373), (60, 21305582), (120, 10652791), (1279, 999480), (2558, 499740), (3837, 333160), (5116, 249870), (6395, 199896), (7674, 166580), (8329, 153480), (10232, 124935), (12790, 99948), (15348, 83290), (16658, 76740), (19185, 66632), (24987, 51160), (25580, 49974), (30696, 41645), (33316, 38370)]