255720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2131}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 767520

約数和(自身を除く): 511800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2131, 4262, 6393, 8524, 10655, 12786, 17048, 21310, 25572, 31965, 42620, 51144, 63930, 85240, 127860, 255720]

約数ペア:

[(1, 255720), (2, 127860), (3, 85240), (4, 63930), (5, 51144), (6, 42620), (8, 31965), (10, 25572), (12, 21310), (15, 17048), (20, 12786), (24, 10655), (30, 8524), (40, 6393), (60, 4262), (120, 2131)]