816018660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4493}}^1$

素因数の和:5517

約数の個数: 72

約数和(自身を含む): 2478261240

約数和(自身を除く): 1662242580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1009, 2018, 3027, 4036, 4493, 5045, 6054, 8986, 9081, 10090, 12108, 13479, 15135, 17972, 18162, 20180, 22465, 26958, 30270, 36324, 40437, 44930, 45405, 53916, 60540, 67395, 80874, 89860, 90810, 134790, 161748, 181620, 202185, 269580, 404370, 808740, 4533437, 9066874, 13600311, 18133748, 22667185, 27200622, 40800933, 45334370, 54401244, 68001555, 81601866, 90668740, 136003110, 163203732, 204004665, 272006220, 408009330, 816018660]

約数ペア:

[(1, 816018660), (2, 408009330), (3, 272006220), (4, 204004665), (5, 163203732), (6, 136003110), (9, 90668740), (10, 81601866), (12, 68001555), (15, 54401244), (18, 45334370), (20, 40800933), (30, 27200622), (36, 22667185), (45, 18133748), (60, 13600311), (90, 9066874), (180, 4533437), (1009, 808740), (2018, 404370), (3027, 269580), (4036, 202185), (4493, 181620), (5045, 161748), (6054, 134790), (8986, 90810), (9081, 89860), (10090, 80874), (12108, 67395), (13479, 60540), (15135, 53916), (17972, 45405), (18162, 44930), (20180, 40437), (22465, 36324), (26958, 30270)]