163906960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41813}}^1$

素因数の和:41840

約数の個数: 60

約数和(自身を含む): 443312028

約数和(自身を除く): 279405068

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 41813, 83626, 167252, 209065, 292691, 334504, 418130, 585382, 669008, 836260, 1170764, 1463455, 1672520, 2048837, 2341528, 2926910, 3345040, 4097674, 4683056, 5853820, 8195348, 10244185, 11707640, 16390696, 20488370, 23415280, 32781392, 40976740, 81953480, 163906960]

約数ペア:

[(1, 163906960), (2, 81953480), (4, 40976740), (5, 32781392), (7, 23415280), (8, 20488370), (10, 16390696), (14, 11707640), (16, 10244185), (20, 8195348), (28, 5853820), (35, 4683056), (40, 4097674), (49, 3345040), (56, 2926910), (70, 2341528), (80, 2048837), (98, 1672520), (112, 1463455), (140, 1170764), (196, 836260), (245, 669008), (280, 585382), (392, 418130), (490, 334504), (560, 292691), (784, 209065), (980, 167252), (1960, 83626), (3920, 41813)]