321338220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{765091}}^1$

素因数の和:765110

約数の個数: 48

約数和(自身を含む): 1028283648

約数和(自身を除く): 706945428

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, 765091, 1530182, 2295273, 3060364, 3825455, 4590546, 5355637, 7650910, 9181092, 10711274, 11476365, 15301820, 16066911, 21422548, 22952730, 26778185, 32133822, 45905460, 53556370, 64267644, 80334555, 107112740, 160669110, 321338220]

約数ペア:

[(1, 321338220), (2, 160669110), (3, 107112740), (4, 80334555), (5, 64267644), (6, 53556370), (7, 45905460), (10, 32133822), (12, 26778185), (14, 22952730), (15, 21422548), (20, 16066911), (21, 15301820), (28, 11476365), (30, 10711274), (35, 9181092), (42, 7650910), (60, 5355637), (70, 4590546), (84, 3825455), (105, 3060364), (140, 2295273), (210, 1530182), (420, 765091)]