18628080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77617}}^1$

素因数の和:77633

約数の個数: 40

約数和(自身を含む): 57747792

約数和(自身を除く): 39119712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77617, 155234, 232851, 310468, 388085, 465702, 620936, 776170, 931404, 1164255, 1241872, 1552340, 1862808, 2328510, 3104680, 3725616, 4657020, 6209360, 9314040, 18628080]

約数ペア:

[(1, 18628080), (2, 9314040), (3, 6209360), (4, 4657020), (5, 3725616), (6, 3104680), (8, 2328510), (10, 1862808), (12, 1552340), (15, 1241872), (16, 1164255), (20, 931404), (24, 776170), (30, 620936), (40, 465702), (48, 388085), (60, 310468), (80, 232851), (120, 155234), (240, 77617)]