28668420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14479}}^1$

素因数の和:14505

約数の個数: 72

約数和(自身を含む): 94872960

約数和(自身を除く): 66204540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 14479, 28958, 43437, 57916, 72395, 86874, 130311, 144790, 159269, 173748, 217185, 260622, 289580, 318538, 434370, 477807, 521244, 637076, 651555, 796345, 868740, 955614, 1303110, 1433421, 1592690, 1911228, 2389035, 2606220, 2866842, 3185380, 4778070, 5733684, 7167105, 9556140, 14334210, 28668420]

約数ペア:

[(1, 28668420), (2, 14334210), (3, 9556140), (4, 7167105), (5, 5733684), (6, 4778070), (9, 3185380), (10, 2866842), (11, 2606220), (12, 2389035), (15, 1911228), (18, 1592690), (20, 1433421), (22, 1303110), (30, 955614), (33, 868740), (36, 796345), (44, 651555), (45, 637076), (55, 521244), (60, 477807), (66, 434370), (90, 318538), (99, 289580), (110, 260622), (132, 217185), (165, 173748), (180, 159269), (198, 144790), (220, 130311), (330, 86874), (396, 72395), (495, 57916), (660, 43437), (990, 28958), (1980, 14479)]