281056140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1561423}}^1$

素因数の和:1561438

約数の個数: 36

約数和(自身を含む): 852537504

約数和(自身を除く): 571481364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1561423, 3122846, 4684269, 6245692, 7807115, 9368538, 14052807, 15614230, 18737076, 23421345, 28105614, 31228460, 46842690, 56211228, 70264035, 93685380, 140528070, 281056140]

約数ペア:

[(1, 281056140), (2, 140528070), (3, 93685380), (4, 70264035), (5, 56211228), (6, 46842690), (9, 31228460), (10, 28105614), (12, 23421345), (15, 18737076), (18, 15614230), (20, 14052807), (30, 9368538), (36, 7807115), (45, 6245692), (60, 4684269), (90, 3122846), (180, 1561423)]