8611020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4349}}^1$

素因数の和:4375

約数の個数: 72

約数和(自身を含む): 28501200

約数和(自身を除く): 19890180

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, 4349, 8698, 13047, 17396, 21745, 26094, 39141, 43490, 47839, 52188, 65235, 78282, 86980, 95678, 130470, 143517, 156564, 191356, 195705, 239195, 260940, 287034, 391410, 430551, 478390, 574068, 717585, 782820, 861102, 956780, 1435170, 1722204, 2152755, 2870340, 4305510, 8611020]

約数ペア:

[(1, 8611020), (2, 4305510), (3, 2870340), (4, 2152755), (5, 1722204), (6, 1435170), (9, 956780), (10, 861102), (11, 782820), (12, 717585), (15, 574068), (18, 478390), (20, 430551), (22, 391410), (30, 287034), (33, 260940), (36, 239195), (44, 195705), (45, 191356), (55, 156564), (60, 143517), (66, 130470), (90, 95678), (99, 86980), (110, 78282), (132, 65235), (165, 52188), (180, 47839), (198, 43490), (220, 39141), (330, 26094), (396, 21745), (495, 17396), (660, 13047), (990, 8698), (1980, 4349)]