28074420

素因数分解:

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

素因数の和:1326

約数の個数: 108

約数和(自身を含む): 93677220

約数和(自身を除く): 65602800

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, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1289, 1452, 1815, 1980, 2178, 2420, 2578, 3630, 3867, 4356, 5156, 5445, 6445, 7260, 7734, 10890, 11601, 12890, 14179, 15468, 19335, 21780, 23202, 25780, 28358, 38670, 42537, 46404, 56716, 58005, 70895, 77340, 85074, 116010, 127611, 141790, 155969, 170148, 212685, 232020, 255222, 283580, 311938, 425370, 467907, 510444, 623876, 638055, 779845, 850740, 935814, 1276110, 1403721, 1559690, 1871628, 2339535, 2552220, 2807442, 3119380, 4679070, 5614884, 7018605, 9358140, 14037210, 28074420]

約数ペア:

[(1, 28074420), (2, 14037210), (3, 9358140), (4, 7018605), (5, 5614884), (6, 4679070), (9, 3119380), (10, 2807442), (11, 2552220), (12, 2339535), (15, 1871628), (18, 1559690), (20, 1403721), (22, 1276110), (30, 935814), (33, 850740), (36, 779845), (44, 638055), (45, 623876), (55, 510444), (60, 467907), (66, 425370), (90, 311938), (99, 283580), (110, 255222), (121, 232020), (132, 212685), (165, 170148), (180, 155969), (198, 141790), (220, 127611), (242, 116010), (330, 85074), (363, 77340), (396, 70895), (484, 58005), (495, 56716), (605, 46404), (660, 42537), (726, 38670), (990, 28358), (1089, 25780), (1210, 23202), (1289, 21780), (1452, 19335), (1815, 15468), (1980, 14179), (2178, 12890), (2420, 11601), (2578, 10890), (3630, 7734), (3867, 7260), (4356, 6445), (5156, 5445)]