280620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1559}}^1$

素因数の和:1574

約数の個数: 36

約数和(自身を含む): 851760

約数和(自身を除く): 571140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1559, 3118, 4677, 6236, 7795, 9354, 14031, 15590, 18708, 23385, 28062, 31180, 46770, 56124, 70155, 93540, 140310, 280620]

約数ペア:

[(1, 280620), (2, 140310), (3, 93540), (4, 70155), (5, 56124), (6, 46770), (9, 31180), (10, 28062), (12, 23385), (15, 18708), (18, 15590), (20, 14031), (30, 9354), (36, 7795), (45, 6236), (60, 4677), (90, 3118), (180, 1559)]