80220690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81031}}^1$

素因数の和:81055

約数の個数: 48

約数和(自身を含む): 227537856

約数和(自身を除く): 147317166

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 81031, 162062, 243093, 405155, 486186, 729279, 810310, 891341, 1215465, 1458558, 1782682, 2430930, 2674023, 3646395, 4456705, 5348046, 7292790, 8022069, 8913410, 13370115, 16044138, 26740230, 40110345, 80220690]

約数ペア:

[(1, 80220690), (2, 40110345), (3, 26740230), (5, 16044138), (6, 13370115), (9, 8913410), (10, 8022069), (11, 7292790), (15, 5348046), (18, 4456705), (22, 3646395), (30, 2674023), (33, 2430930), (45, 1782682), (55, 1458558), (66, 1215465), (90, 891341), (99, 810310), (110, 729279), (165, 486186), (198, 405155), (330, 243093), (495, 162062), (990, 81031)]