80438340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1340639}}^1$

素因数の和:1340651

約数の個数: 24

約数和(自身を含む): 225227520

約数和(自身を除く): 144789180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1340639, 2681278, 4021917, 5362556, 6703195, 8043834, 13406390, 16087668, 20109585, 26812780, 40219170, 80438340]

約数ペア:

[(1, 80438340), (2, 40219170), (3, 26812780), (4, 20109585), (5, 16087668), (6, 13406390), (10, 8043834), (12, 6703195), (15, 5362556), (20, 4021917), (30, 2681278), (60, 1340639)]