168697480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{937}}^1$

素因数の和:1598

約数の個数: 64

約数和(自身を含む): 434931840

約数和(自身を除く): 266234360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 937, 1286, 1874, 2572, 3215, 3748, 4501, 4685, 5144, 6430, 6559, 7496, 9002, 9370, 12860, 13118, 18004, 18740, 22505, 25720, 26236, 32795, 36008, 37480, 45010, 52472, 65590, 90020, 131180, 180040, 262360, 602491, 1204982, 2409964, 3012455, 4217437, 4819928, 6024910, 8434874, 12049820, 16869748, 21087185, 24099640, 33739496, 42174370, 84348740, 168697480]

約数ペア:

[(1, 168697480), (2, 84348740), (4, 42174370), (5, 33739496), (7, 24099640), (8, 21087185), (10, 16869748), (14, 12049820), (20, 8434874), (28, 6024910), (35, 4819928), (40, 4217437), (56, 3012455), (70, 2409964), (140, 1204982), (280, 602491), (643, 262360), (937, 180040), (1286, 131180), (1874, 90020), (2572, 65590), (3215, 52472), (3748, 45010), (4501, 37480), (4685, 36008), (5144, 32795), (6430, 26236), (6559, 25720), (7496, 22505), (9002, 18740), (9370, 18004), (12860, 13118)]