30244640

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 71782200

約数和(自身を除く): 41537560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 449, 842, 898, 1684, 1796, 2105, 2245, 3368, 3592, 4210, 4490, 6736, 7184, 8420, 8980, 13472, 14368, 16840, 17960, 33680, 35920, 67360, 71840, 189029, 378058, 756116, 945145, 1512232, 1890290, 3024464, 3780580, 6048928, 7561160, 15122320, 30244640]

約数ペア:

[(1, 30244640), (2, 15122320), (4, 7561160), (5, 6048928), (8, 3780580), (10, 3024464), (16, 1890290), (20, 1512232), (32, 945145), (40, 756116), (80, 378058), (160, 189029), (421, 71840), (449, 67360), (842, 35920), (898, 33680), (1684, 17960), (1796, 16840), (2105, 14368), (2245, 13472), (3368, 8980), (3592, 8420), (4210, 7184), (4490, 6736)]