66288420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33479}}^1$

素因数の和:33505

約数の個数: 72

約数和(自身を含む): 219360960

約数和(自身を除く): 153072540

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, 33479, 66958, 100437, 133916, 167395, 200874, 301311, 334790, 368269, 401748, 502185, 602622, 669580, 736538, 1004370, 1104807, 1205244, 1473076, 1506555, 1841345, 2008740, 2209614, 3013110, 3314421, 3682690, 4419228, 5524035, 6026220, 6628842, 7365380, 11048070, 13257684, 16572105, 22096140, 33144210, 66288420]

約数ペア:

[(1, 66288420), (2, 33144210), (3, 22096140), (4, 16572105), (5, 13257684), (6, 11048070), (9, 7365380), (10, 6628842), (11, 6026220), (12, 5524035), (15, 4419228), (18, 3682690), (20, 3314421), (22, 3013110), (30, 2209614), (33, 2008740), (36, 1841345), (44, 1506555), (45, 1473076), (55, 1205244), (60, 1104807), (66, 1004370), (90, 736538), (99, 669580), (110, 602622), (132, 502185), (165, 401748), (180, 368269), (198, 334790), (220, 301311), (330, 200874), (396, 167395), (495, 133916), (660, 100437), (990, 66958), (1980, 33479)]