81646180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53017}}^1$

素因数の和:53044

約数の個数: 48

約数和(自身を含む): 213768576

約数和(自身を除く): 132122396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 53017, 106034, 212068, 265085, 371119, 530170, 583187, 742238, 1060340, 1166374, 1484476, 1855595, 2332748, 2915935, 3711190, 4082309, 5831870, 7422380, 8164618, 11663740, 16329236, 20411545, 40823090, 81646180]

約数ペア:

[(1, 81646180), (2, 40823090), (4, 20411545), (5, 16329236), (7, 11663740), (10, 8164618), (11, 7422380), (14, 5831870), (20, 4082309), (22, 3711190), (28, 2915935), (35, 2332748), (44, 1855595), (55, 1484476), (70, 1166374), (77, 1060340), (110, 742238), (140, 583187), (154, 530170), (220, 371119), (308, 265085), (385, 212068), (770, 106034), (1540, 53017)]