80821020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192431}}^1$

素因数の和:192450

約数の個数: 48

約数和(自身を含む): 258628608

約数和(自身を除く): 177807588

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, 192431, 384862, 577293, 769724, 962155, 1154586, 1347017, 1924310, 2309172, 2694034, 2886465, 3848620, 4041051, 5388068, 5772930, 6735085, 8082102, 11545860, 13470170, 16164204, 20205255, 26940340, 40410510, 80821020]

約数ペア:

[(1, 80821020), (2, 40410510), (3, 26940340), (4, 20205255), (5, 16164204), (6, 13470170), (7, 11545860), (10, 8082102), (12, 6735085), (14, 5772930), (15, 5388068), (20, 4041051), (21, 3848620), (28, 2886465), (30, 2694034), (35, 2309172), (42, 1924310), (60, 1347017), (70, 1154586), (84, 962155), (105, 769724), (140, 577293), (210, 384862), (420, 192431)]