161948220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385591}}^1$

素因数の和:385610

約数の個数: 48

約数和(自身を含む): 518235648

約数和(自身を除く): 356287428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 385591, 771182, 1156773, 1542364, 1927955, 2313546, 2699137, 3855910, 4627092, 5398274, 5783865, 7711820, 8097411, 10796548, 11567730, 13495685, 16194822, 23135460, 26991370, 32389644, 40487055, 53982740, 80974110, 161948220]

約数ペア:

[(1, 161948220), (2, 80974110), (3, 53982740), (4, 40487055), (5, 32389644), (6, 26991370), (7, 23135460), (10, 16194822), (12, 13495685), (14, 11567730), (15, 10796548), (20, 8097411), (21, 7711820), (28, 5783865), (30, 5398274), (35, 4627092), (42, 3855910), (60, 2699137), (70, 2313546), (84, 1927955), (105, 1542364), (140, 1156773), (210, 771182), (420, 385591)]