159911080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{571111}}^1$

素因数の和:571129

約数の個数: 32

約数和(自身を含む): 411200640

約数和(自身を除く): 251289560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 571111, 1142222, 2284444, 2855555, 3997777, 4568888, 5711110, 7995554, 11422220, 15991108, 19988885, 22844440, 31982216, 39977770, 79955540, 159911080]

約数ペア:

[(1, 159911080), (2, 79955540), (4, 39977770), (5, 31982216), (7, 22844440), (8, 19988885), (10, 15991108), (14, 11422220), (20, 7995554), (28, 5711110), (35, 4568888), (40, 3997777), (56, 2855555), (70, 2284444), (140, 1142222), (280, 571111)]