72228420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36479}}^1$

素因数の和:36505

約数の個数: 72

約数和(自身を含む): 239016960

約数和(自身を除く): 166788540

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, 36479, 72958, 109437, 145916, 182395, 218874, 328311, 364790, 401269, 437748, 547185, 656622, 729580, 802538, 1094370, 1203807, 1313244, 1605076, 1641555, 2006345, 2188740, 2407614, 3283110, 3611421, 4012690, 4815228, 6019035, 6566220, 7222842, 8025380, 12038070, 14445684, 18057105, 24076140, 36114210, 72228420]

約数ペア:

[(1, 72228420), (2, 36114210), (3, 24076140), (4, 18057105), (5, 14445684), (6, 12038070), (9, 8025380), (10, 7222842), (11, 6566220), (12, 6019035), (15, 4815228), (18, 4012690), (20, 3611421), (22, 3283110), (30, 2407614), (33, 2188740), (36, 2006345), (44, 1641555), (45, 1605076), (55, 1313244), (60, 1203807), (66, 1094370), (90, 802538), (99, 729580), (110, 656622), (132, 547185), (165, 437748), (180, 401269), (198, 364790), (220, 328311), (330, 218874), (396, 182395), (495, 145916), (660, 109437), (990, 72958), (1980, 36479)]