1681540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12011}}^1$

素因数の和:12027

約数の個数: 24

約数和(自身を含む): 4036032

約数和(自身を除く): 2354492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12011, 24022, 48044, 60055, 84077, 120110, 168154, 240220, 336308, 420385, 840770, 1681540]

約数ペア:

[(1, 1681540), (2, 840770), (4, 420385), (5, 336308), (7, 240220), (10, 168154), (14, 120110), (20, 84077), (28, 60055), (35, 48044), (70, 24022), (140, 12011)]