256216920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2135141}}^1$

素因数の和:2135155

約数の個数: 32

約数和(自身を含む): 768651120

約数和(自身を除く): 512434200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2135141, 4270282, 6405423, 8540564, 10675705, 12810846, 17081128, 21351410, 25621692, 32027115, 42702820, 51243384, 64054230, 85405640, 128108460, 256216920]

約数ペア:

[(1, 256216920), (2, 128108460), (3, 85405640), (4, 64054230), (5, 51243384), (6, 42702820), (8, 32027115), (10, 25621692), (12, 21351410), (15, 17081128), (20, 12810846), (24, 10675705), (30, 8540564), (40, 6405423), (60, 4270282), (120, 2135141)]