1261540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9011}}^1$

素因数の和:9027

約数の個数: 24

約数和(自身を含む): 3028032

約数和(自身を除く): 1766492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9011, 18022, 36044, 45055, 63077, 90110, 126154, 180220, 252308, 315385, 630770, 1261540]

約数ペア:

[(1, 1261540), (2, 630770), (4, 315385), (5, 252308), (7, 180220), (10, 126154), (14, 90110), (20, 63077), (28, 45055), (35, 36044), (70, 18022), (140, 9011)]