256214520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{711707}}^1$

素因数の和:711724

約数の個数: 48

約数和(自身を含む): 832698360

約数和(自身を除く): 576483840

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, 711707, 1423414, 2135121, 2846828, 3558535, 4270242, 5693656, 6405363, 7117070, 8540484, 10675605, 12810726, 14234140, 17080968, 21351210, 25621452, 28468280, 32026815, 42702420, 51242904, 64053630, 85404840, 128107260, 256214520]

約数ペア:

[(1, 256214520), (2, 128107260), (3, 85404840), (4, 64053630), (5, 51242904), (6, 42702420), (8, 32026815), (9, 28468280), (10, 25621452), (12, 21351210), (15, 17080968), (18, 14234140), (20, 12810726), (24, 10675605), (30, 8540484), (36, 7117070), (40, 6405363), (45, 5693656), (60, 4270242), (72, 3558535), (90, 2846828), (120, 2135121), (180, 1423414), (360, 711707)]