218391660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{404429}}^1$

素因数の和:404447

約数の個数: 48

約数和(自身を含む): 679442400

約数和(自身を除く): 461050740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 404429, 808858, 1213287, 1617716, 2022145, 2426574, 3639861, 4044290, 4853148, 6066435, 7279722, 8088580, 10919583, 12132870, 14559444, 18199305, 21839166, 24265740, 36398610, 43678332, 54597915, 72797220, 109195830, 218391660]

約数ペア:

[(1, 218391660), (2, 109195830), (3, 72797220), (4, 54597915), (5, 43678332), (6, 36398610), (9, 24265740), (10, 21839166), (12, 18199305), (15, 14559444), (18, 12132870), (20, 10919583), (27, 8088580), (30, 7279722), (36, 6066435), (45, 4853148), (54, 4044290), (60, 3639861), (90, 2426574), (108, 2022145), (135, 1617716), (180, 1213287), (270, 808858), (540, 404429)]