256216680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{711713}}^1$

素因数の和:711730

約数の個数: 48

約数和(自身を含む): 832705380

約数和(自身を除く): 576488700

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, 711713, 1423426, 2135139, 2846852, 3558565, 4270278, 5693704, 6405417, 7117130, 8540556, 10675695, 12810834, 14234260, 17081112, 21351390, 25621668, 28468520, 32027085, 42702780, 51243336, 64054170, 85405560, 128108340, 256216680]

約数ペア:

[(1, 256216680), (2, 128108340), (3, 85405560), (4, 64054170), (5, 51243336), (6, 42702780), (8, 32027085), (9, 28468520), (10, 25621668), (12, 21351390), (15, 17081112), (18, 14234260), (20, 12810834), (24, 10675695), (30, 8540556), (36, 7117130), (40, 6405417), (45, 5693704), (60, 4270278), (72, 3558565), (90, 2846852), (120, 2135139), (180, 1423426), (360, 711713)]