67310840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 155597760

約数和(自身を除く): 88286920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 137, 142, 173, 274, 284, 346, 355, 548, 568, 685, 692, 710, 865, 1096, 1370, 1384, 1420, 1730, 2740, 2840, 3460, 5480, 6920, 9727, 12283, 19454, 23701, 24566, 38908, 47402, 48635, 49132, 61415, 77816, 94804, 97270, 98264, 118505, 122830, 189608, 194540, 237010, 245660, 389080, 474020, 491320, 948040, 1682771, 3365542, 6731084, 8413855, 13462168, 16827710, 33655420, 67310840]

約数ペア:

[(1, 67310840), (2, 33655420), (4, 16827710), (5, 13462168), (8, 8413855), (10, 6731084), (20, 3365542), (40, 1682771), (71, 948040), (137, 491320), (142, 474020), (173, 389080), (274, 245660), (284, 237010), (346, 194540), (355, 189608), (548, 122830), (568, 118505), (685, 98264), (692, 97270), (710, 94804), (865, 77816), (1096, 61415), (1370, 49132), (1384, 48635), (1420, 47402), (1730, 38908), (2740, 24566), (2840, 23701), (3460, 19454), (5480, 12283), (6920, 9727)]