128321730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1425797}}^1$

素因数の和:1425810

約数の個数: 24

約数和(自身を含む): 333636732

約数和(自身を除く): 205315002

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1425797, 2851594, 4277391, 7128985, 8554782, 12832173, 14257970, 21386955, 25664346, 42773910, 64160865, 128321730]

約数ペア:

[(1, 128321730), (2, 64160865), (3, 42773910), (5, 25664346), (6, 21386955), (9, 14257970), (10, 12832173), (15, 8554782), (18, 7128985), (30, 4277391), (45, 2851594), (90, 1425797)]