261480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2179}}^1$

素因数の和:2193

約数の個数: 32

約数和(自身を含む): 784800

約数和(自身を除く): 523320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2179, 4358, 6537, 8716, 10895, 13074, 17432, 21790, 26148, 32685, 43580, 52296, 65370, 87160, 130740, 261480]

約数ペア:

[(1, 261480), (2, 130740), (3, 87160), (4, 65370), (5, 52296), (6, 43580), (8, 32685), (10, 26148), (12, 21790), (15, 17432), (20, 13074), (24, 10895), (30, 8716), (40, 6537), (60, 4358), (120, 2179)]