2685780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 8360352

約数和(自身を除く): 5674572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 347, 387, 430, 516, 645, 694, 774, 860, 1041, 1290, 1388, 1548, 1735, 1935, 2082, 2580, 3123, 3470, 3870, 4164, 5205, 6246, 6940, 7740, 10410, 12492, 14921, 15615, 20820, 29842, 31230, 44763, 59684, 62460, 74605, 89526, 134289, 149210, 179052, 223815, 268578, 298420, 447630, 537156, 671445, 895260, 1342890, 2685780]

約数ペア:

[(1, 2685780), (2, 1342890), (3, 895260), (4, 671445), (5, 537156), (6, 447630), (9, 298420), (10, 268578), (12, 223815), (15, 179052), (18, 149210), (20, 134289), (30, 89526), (36, 74605), (43, 62460), (45, 59684), (60, 44763), (86, 31230), (90, 29842), (129, 20820), (172, 15615), (180, 14921), (215, 12492), (258, 10410), (347, 7740), (387, 6940), (430, 6246), (516, 5205), (645, 4164), (694, 3870), (774, 3470), (860, 3123), (1041, 2580), (1290, 2082), (1388, 1935), (1548, 1735)]