128575620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238103}}^1$

素因数の和:238121

約数の個数: 48

約数和(自身を含む): 400014720

約数和(自身を除く): 271439100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238103, 476206, 714309, 952412, 1190515, 1428618, 2142927, 2381030, 2857236, 3571545, 4285854, 4762060, 6428781, 7143090, 8571708, 10714635, 12857562, 14286180, 21429270, 25715124, 32143905, 42858540, 64287810, 128575620]

約数ペア:

[(1, 128575620), (2, 64287810), (3, 42858540), (4, 32143905), (5, 25715124), (6, 21429270), (9, 14286180), (10, 12857562), (12, 10714635), (15, 8571708), (18, 7143090), (20, 6428781), (27, 4762060), (30, 4285854), (36, 3571545), (45, 2857236), (54, 2381030), (60, 2142927), (90, 1428618), (108, 1190515), (135, 952412), (180, 714309), (270, 476206), (540, 238103)]