128902920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4817}}^1$

素因数の和:5054

約数の個数: 64

約数和(自身を含む): 388523520

約数和(自身を除く): 259620600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 4460, 4817, 5352, 6690, 8920, 9634, 13380, 14451, 19268, 24085, 26760, 28902, 38536, 48170, 57804, 72255, 96340, 115608, 144510, 192680, 289020, 578040, 1074191, 2148382, 3222573, 4296764, 5370955, 6445146, 8593528, 10741910, 12890292, 16112865, 21483820, 25780584, 32225730, 42967640, 64451460, 128902920]

約数ペア:

[(1, 128902920), (2, 64451460), (3, 42967640), (4, 32225730), (5, 25780584), (6, 21483820), (8, 16112865), (10, 12890292), (12, 10741910), (15, 8593528), (20, 6445146), (24, 5370955), (30, 4296764), (40, 3222573), (60, 2148382), (120, 1074191), (223, 578040), (446, 289020), (669, 192680), (892, 144510), (1115, 115608), (1338, 96340), (1784, 72255), (2230, 57804), (2676, 48170), (3345, 38536), (4460, 28902), (4817, 26760), (5352, 24085), (6690, 19268), (8920, 14451), (9634, 13380)]