2149761780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277747}}^1$

素因数の和:277805

約数の個数: 72

約数和(自身を含む): 6672617952

約数和(自身を除く): 4522856172

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, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 277747, 555494, 833241, 1110988, 1388735, 1666482, 2499723, 2777470, 3332964, 4166205, 4999446, 5554940, 8332410, 9998892, 11943121, 12498615, 16664820, 23886242, 24997230, 35829363, 47772484, 49994460, 59715605, 71658726, 107488089, 119431210, 143317452, 179146815, 214976178, 238862420, 358293630, 429952356, 537440445, 716587260, 1074880890, 2149761780]

約数ペア:

[(1, 2149761780), (2, 1074880890), (3, 716587260), (4, 537440445), (5, 429952356), (6, 358293630), (9, 238862420), (10, 214976178), (12, 179146815), (15, 143317452), (18, 119431210), (20, 107488089), (30, 71658726), (36, 59715605), (43, 49994460), (45, 47772484), (60, 35829363), (86, 24997230), (90, 23886242), (129, 16664820), (172, 12498615), (180, 11943121), (215, 9998892), (258, 8332410), (387, 5554940), (430, 4999446), (516, 4166205), (645, 3332964), (774, 2777470), (860, 2499723), (1290, 1666482), (1548, 1388735), (1935, 1110988), (2580, 833241), (3870, 555494), (7740, 277747)]