3918420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 72

約数和(自身を含む): 12972960

約数和(自身を除く): 9054540

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, 1979, 1980, 3958, 5937, 7916, 9895, 11874, 17811, 19790, 21769, 23748, 29685, 35622, 39580, 43538, 59370, 65307, 71244, 87076, 89055, 108845, 118740, 130614, 178110, 195921, 217690, 261228, 326535, 356220, 391842, 435380, 653070, 783684, 979605, 1306140, 1959210, 3918420]

約数ペア:

[(1, 3918420), (2, 1959210), (3, 1306140), (4, 979605), (5, 783684), (6, 653070), (9, 435380), (10, 391842), (11, 356220), (12, 326535), (15, 261228), (18, 217690), (20, 195921), (22, 178110), (30, 130614), (33, 118740), (36, 108845), (44, 89055), (45, 87076), (55, 71244), (60, 65307), (66, 59370), (90, 43538), (99, 39580), (110, 35622), (132, 29685), (165, 23748), (180, 21769), (198, 19790), (220, 17811), (330, 11874), (396, 9895), (495, 7916), (660, 5937), (990, 3958), (1979, 1980)]