639129780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3550721}}^1$

素因数の和:3550736

約数の個数: 36

約数和(自身を含む): 1938694212

約数和(自身を除く): 1299564432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3550721, 7101442, 10652163, 14202884, 17753605, 21304326, 31956489, 35507210, 42608652, 53260815, 63912978, 71014420, 106521630, 127825956, 159782445, 213043260, 319564890, 639129780]

約数ペア:

[(1, 639129780), (2, 319564890), (3, 213043260), (4, 159782445), (5, 127825956), (6, 106521630), (9, 71014420), (10, 63912978), (12, 53260815), (15, 42608652), (18, 35507210), (20, 31956489), (30, 21304326), (36, 17753605), (45, 14202884), (60, 10652163), (90, 7101442), (180, 3550721)]