1284951760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{845363}}^1$

素因数の和:845395

約数の個数: 40

約数和(自身を含む): 3144754080

約数和(自身を除く): 1859802320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 845363, 1690726, 3381452, 4226815, 6762904, 8453630, 13525808, 16061897, 16907260, 32123794, 33814520, 64247588, 67629040, 80309485, 128495176, 160618970, 256990352, 321237940, 642475880, 1284951760]

約数ペア:

[(1, 1284951760), (2, 642475880), (4, 321237940), (5, 256990352), (8, 160618970), (10, 128495176), (16, 80309485), (19, 67629040), (20, 64247588), (38, 33814520), (40, 32123794), (76, 16907260), (80, 16061897), (95, 13525808), (152, 8453630), (190, 6762904), (304, 4226815), (380, 3381452), (760, 1690726), (1520, 845363)]