28783260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14537}}^1$

素因数の和:14563

約数の個数: 72

約数和(自身を含む): 95252976

約数和(自身を除く): 66469716

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, 14537, 29074, 43611, 58148, 72685, 87222, 130833, 145370, 159907, 174444, 218055, 261666, 290740, 319814, 436110, 479721, 523332, 639628, 654165, 799535, 872220, 959442, 1308330, 1439163, 1599070, 1918884, 2398605, 2616660, 2878326, 3198140, 4797210, 5756652, 7195815, 9594420, 14391630, 28783260]

約数ペア:

[(1, 28783260), (2, 14391630), (3, 9594420), (4, 7195815), (5, 5756652), (6, 4797210), (9, 3198140), (10, 2878326), (11, 2616660), (12, 2398605), (15, 1918884), (18, 1599070), (20, 1439163), (22, 1308330), (30, 959442), (33, 872220), (36, 799535), (44, 654165), (45, 639628), (55, 523332), (60, 479721), (66, 436110), (90, 319814), (99, 290740), (110, 261666), (132, 218055), (165, 174444), (180, 159907), (198, 145370), (220, 130833), (330, 87222), (396, 72685), (495, 58148), (660, 43611), (990, 29074), (1980, 14537)]