2019910920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{410551}}^1$

素因数の和:410606

約数の個数: 64

約数和(自身を含む): 6207546240

約数和(自身を除く): 4187635320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 410551, 821102, 1231653, 1642204, 2052755, 2463306, 3284408, 4105510, 4926612, 6158265, 8211020, 9853224, 12316530, 16422040, 16832591, 24633060, 33665182, 49266120, 50497773, 67330364, 84162955, 100995546, 134660728, 168325910, 201991092, 252488865, 336651820, 403982184, 504977730, 673303640, 1009955460, 2019910920]

約数ペア:

[(1, 2019910920), (2, 1009955460), (3, 673303640), (4, 504977730), (5, 403982184), (6, 336651820), (8, 252488865), (10, 201991092), (12, 168325910), (15, 134660728), (20, 100995546), (24, 84162955), (30, 67330364), (40, 50497773), (41, 49266120), (60, 33665182), (82, 24633060), (120, 16832591), (123, 16422040), (164, 12316530), (205, 9853224), (246, 8211020), (328, 6158265), (410, 4926612), (492, 4105510), (615, 3284408), (820, 2463306), (984, 2052755), (1230, 1642204), (1640, 1231653), (2460, 821102), (4920, 410551)]