2018580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 5987520

約数和(自身を除く): 3968940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1979, 3958, 5937, 7916, 9895, 11874, 19790, 23748, 29685, 33643, 39580, 59370, 67286, 100929, 118740, 134572, 168215, 201858, 336430, 403716, 504645, 672860, 1009290, 2018580]

約数ペア:

[(1, 2018580), (2, 1009290), (3, 672860), (4, 504645), (5, 403716), (6, 336430), (10, 201858), (12, 168215), (15, 134572), (17, 118740), (20, 100929), (30, 67286), (34, 59370), (51, 39580), (60, 33643), (68, 29685), (85, 23748), (102, 19790), (170, 11874), (204, 9895), (255, 7916), (340, 5937), (510, 3958), (1020, 1979)]