16664220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2211

約数の個数: 72

約数和(自身を含む): 51747696

約数和(自身を除く): 35083476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2153, 2580, 3870, 4306, 6459, 7740, 8612, 10765, 12918, 19377, 21530, 25836, 32295, 38754, 43060, 64590, 77508, 92579, 96885, 129180, 185158, 193770, 277737, 370316, 387540, 462895, 555474, 833211, 925790, 1110948, 1388685, 1666422, 1851580, 2777370, 3332844, 4166055, 5554740, 8332110, 16664220]

約数ペア:

[(1, 16664220), (2, 8332110), (3, 5554740), (4, 4166055), (5, 3332844), (6, 2777370), (9, 1851580), (10, 1666422), (12, 1388685), (15, 1110948), (18, 925790), (20, 833211), (30, 555474), (36, 462895), (43, 387540), (45, 370316), (60, 277737), (86, 193770), (90, 185158), (129, 129180), (172, 96885), (180, 92579), (215, 77508), (258, 64590), (387, 43060), (430, 38754), (516, 32295), (645, 25836), (774, 21530), (860, 19377), (1290, 12918), (1548, 10765), (1935, 8612), (2153, 7740), (2580, 6459), (3870, 4306)]