243587920

素因数分解:

$2^4\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{2161}}^1$

素因数の和:3583

約数の個数: 40

約数和(自身を含む): 567006120

約数和(自身を除く): 323418200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1409, 2161, 2818, 4322, 5636, 7045, 8644, 10805, 11272, 14090, 17288, 21610, 22544, 28180, 34576, 43220, 56360, 86440, 112720, 172880, 3044849, 6089698, 12179396, 15224245, 24358792, 30448490, 48717584, 60896980, 121793960, 243587920]

約数ペア:

[(1, 243587920), (2, 121793960), (4, 60896980), (5, 48717584), (8, 30448490), (10, 24358792), (16, 15224245), (20, 12179396), (40, 6089698), (80, 3044849), (1409, 172880), (2161, 112720), (2818, 86440), (4322, 56360), (5636, 43220), (7045, 34576), (8644, 28180), (10805, 22544), (11272, 21610), (14090, 17288)]