2552220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 8452080

約数和(自身を除く): 5899860

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, 1289, 1980, 2578, 3867, 5156, 6445, 7734, 11601, 12890, 14179, 15468, 19335, 23202, 25780, 28358, 38670, 42537, 46404, 56716, 58005, 70895, 77340, 85074, 116010, 127611, 141790, 170148, 212685, 232020, 255222, 283580, 425370, 510444, 638055, 850740, 1276110, 2552220]

約数ペア:

[(1, 2552220), (2, 1276110), (3, 850740), (4, 638055), (5, 510444), (6, 425370), (9, 283580), (10, 255222), (11, 232020), (12, 212685), (15, 170148), (18, 141790), (20, 127611), (22, 116010), (30, 85074), (33, 77340), (36, 70895), (44, 58005), (45, 56716), (55, 46404), (60, 42537), (66, 38670), (90, 28358), (99, 25780), (110, 23202), (132, 19335), (165, 15468), (180, 14179), (198, 12890), (220, 11601), (330, 7734), (396, 6445), (495, 5156), (660, 3867), (990, 2578), (1289, 1980)]