80312820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4447}}^1$

素因数の和:4509

約数の個数: 96

約数和(自身を含む): 263036928

約数和(自身を除く): 182724108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4447, 4515, 6020, 8894, 9030, 13341, 17788, 18060, 22235, 26682, 31129, 44470, 53364, 62258, 66705, 88940, 93387, 124516, 133410, 155645, 186774, 191221, 266820, 311290, 373548, 382442, 466935, 573663, 622580, 764884, 933870, 956105, 1147326, 1338547, 1867740, 1912210, 2294652, 2677094, 2868315, 3824420, 4015641, 5354188, 5736630, 6692735, 8031282, 11473260, 13385470, 16062564, 20078205, 26770940, 40156410, 80312820]

約数ペア:

[(1, 80312820), (2, 40156410), (3, 26770940), (4, 20078205), (5, 16062564), (6, 13385470), (7, 11473260), (10, 8031282), (12, 6692735), (14, 5736630), (15, 5354188), (20, 4015641), (21, 3824420), (28, 2868315), (30, 2677094), (35, 2294652), (42, 1912210), (43, 1867740), (60, 1338547), (70, 1147326), (84, 956105), (86, 933870), (105, 764884), (129, 622580), (140, 573663), (172, 466935), (210, 382442), (215, 373548), (258, 311290), (301, 266820), (420, 191221), (430, 186774), (516, 155645), (602, 133410), (645, 124516), (860, 93387), (903, 88940), (1204, 66705), (1290, 62258), (1505, 53364), (1806, 44470), (2580, 31129), (3010, 26682), (3612, 22235), (4447, 18060), (4515, 17788), (6020, 13341), (8894, 9030)]