81872460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454847}}^1$

素因数の和:454862

約数の個数: 36

約数和(自身を含む): 248347008

約数和(自身を除く): 166474548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454847, 909694, 1364541, 1819388, 2274235, 2729082, 4093623, 4548470, 5458164, 6822705, 8187246, 9096940, 13645410, 16374492, 20468115, 27290820, 40936230, 81872460]

約数ペア:

[(1, 81872460), (2, 40936230), (3, 27290820), (4, 20468115), (5, 16374492), (6, 13645410), (9, 9096940), (10, 8187246), (12, 6822705), (15, 5458164), (18, 4548470), (20, 4093623), (30, 2729082), (36, 2274235), (45, 1819388), (60, 1364541), (90, 909694), (180, 454847)]