164370680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1980

約数の個数: 64

約数和(自身を含む): 387348480

約数和(自身を除く): 222977800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 1867, 2201, 2840, 3734, 4402, 7468, 8804, 9335, 11005, 14936, 17608, 18670, 22010, 37340, 44020, 57877, 74680, 88040, 115754, 132557, 231508, 265114, 289385, 463016, 530228, 578770, 662785, 1060456, 1157540, 1325570, 2315080, 2651140, 4109267, 5302280, 8218534, 16437068, 20546335, 32874136, 41092670, 82185340, 164370680]

約数ペア:

[(1, 164370680), (2, 82185340), (4, 41092670), (5, 32874136), (8, 20546335), (10, 16437068), (20, 8218534), (31, 5302280), (40, 4109267), (62, 2651140), (71, 2315080), (124, 1325570), (142, 1157540), (155, 1060456), (248, 662785), (284, 578770), (310, 530228), (355, 463016), (568, 289385), (620, 265114), (710, 231508), (1240, 132557), (1420, 115754), (1867, 88040), (2201, 74680), (2840, 57877), (3734, 44020), (4402, 37340), (7468, 22010), (8804, 18670), (9335, 17608), (11005, 14936)]