817997940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{504937}}^1$

素因数の和:504958

約数の個数: 60

約数和(自身を含む): 2566094916

約数和(自身を除く): 1748096976

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 504937, 1009874, 1514811, 2019748, 2524685, 3029622, 4544433, 5049370, 6059244, 7574055, 9088866, 10098740, 13633299, 15148110, 18177732, 22722165, 27266598, 30296220, 40899897, 45444330, 54533196, 68166495, 81799794, 90888660, 136332990, 163599588, 204499485, 272665980, 408998970, 817997940]

約数ペア:

[(1, 817997940), (2, 408998970), (3, 272665980), (4, 204499485), (5, 163599588), (6, 136332990), (9, 90888660), (10, 81799794), (12, 68166495), (15, 54533196), (18, 45444330), (20, 40899897), (27, 30296220), (30, 27266598), (36, 22722165), (45, 18177732), (54, 15148110), (60, 13633299), (81, 10098740), (90, 9088866), (108, 7574055), (135, 6059244), (162, 5049370), (180, 4544433), (270, 3029622), (324, 2524685), (405, 2019748), (540, 1514811), (810, 1009874), (1620, 504937)]