218547540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{3499}}^1$

素因数の和:3861

約数の個数: 72

約数和(自身を含む): 665028000

約数和(自身を除く): 446480460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1388, 1735, 2082, 3123, 3470, 3499, 4164, 5205, 6246, 6940, 6998, 10410, 10497, 12492, 13996, 15615, 17495, 20820, 20994, 31230, 31491, 34990, 41988, 52485, 62460, 62982, 69980, 104970, 125964, 157455, 209940, 314910, 629820, 1214153, 2428306, 3642459, 4856612, 6070765, 7284918, 10927377, 12141530, 14569836, 18212295, 21854754, 24283060, 36424590, 43709508, 54636885, 72849180, 109273770, 218547540]

約数ペア:

[(1, 218547540), (2, 109273770), (3, 72849180), (4, 54636885), (5, 43709508), (6, 36424590), (9, 24283060), (10, 21854754), (12, 18212295), (15, 14569836), (18, 12141530), (20, 10927377), (30, 7284918), (36, 6070765), (45, 4856612), (60, 3642459), (90, 2428306), (180, 1214153), (347, 629820), (694, 314910), (1041, 209940), (1388, 157455), (1735, 125964), (2082, 104970), (3123, 69980), (3470, 62982), (3499, 62460), (4164, 52485), (5205, 41988), (6246, 34990), (6940, 31491), (6998, 31230), (10410, 20994), (10497, 20820), (12492, 17495), (13996, 15615)]