159877480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{570991}}^1$

素因数の和:571009

約数の個数: 32

約数和(自身を含む): 411114240

約数和(自身を除く): 251236760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 570991, 1141982, 2283964, 2854955, 3996937, 4567928, 5709910, 7993874, 11419820, 15987748, 19984685, 22839640, 31975496, 39969370, 79938740, 159877480]

約数ペア:

[(1, 159877480), (2, 79938740), (4, 39969370), (5, 31975496), (7, 22839640), (8, 19984685), (10, 15987748), (14, 11419820), (20, 7993874), (28, 5709910), (35, 4567928), (40, 3996937), (56, 2854955), (70, 2283964), (140, 1141982), (280, 570991)]