278340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4639}}^1$

素因数の和:4651

約数の個数: 24

約数和(自身を含む): 779520

約数和(自身を除く): 501180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4639, 9278, 13917, 18556, 23195, 27834, 46390, 55668, 69585, 92780, 139170, 278340]

約数ペア:

[(1, 278340), (2, 139170), (3, 92780), (4, 69585), (5, 55668), (6, 46390), (10, 27834), (12, 23195), (15, 18556), (20, 13917), (30, 9278), (60, 4639)]