256380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4273}}^1$

素因数の和:4285

約数の個数: 24

約数和(自身を含む): 718032

約数和(自身を除く): 461652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4273, 8546, 12819, 17092, 21365, 25638, 42730, 51276, 64095, 85460, 128190, 256380]

約数ペア:

[(1, 256380), (2, 128190), (3, 85460), (4, 64095), (5, 51276), (6, 42730), (10, 25638), (12, 21365), (15, 17092), (20, 12819), (30, 8546), (60, 4273)]