256215240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{711709}}^1$

素因数の和:711726

約数の個数: 48

約数和(自身を含む): 832700700

約数和(自身を除く): 576485460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 711709, 1423418, 2135127, 2846836, 3558545, 4270254, 5693672, 6405381, 7117090, 8540508, 10675635, 12810762, 14234180, 17081016, 21351270, 25621524, 28468360, 32026905, 42702540, 51243048, 64053810, 85405080, 128107620, 256215240]

約数ペア:

[(1, 256215240), (2, 128107620), (3, 85405080), (4, 64053810), (5, 51243048), (6, 42702540), (8, 32026905), (9, 28468360), (10, 25621524), (12, 21351270), (15, 17081016), (18, 14234180), (20, 12810762), (24, 10675635), (30, 8540508), (36, 7117090), (40, 6405381), (45, 5693672), (60, 4270254), (72, 3558545), (90, 2846836), (120, 2135127), (180, 1423418), (360, 711709)]