8221380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 23151744

約数和(自身を除く): 14930364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 521, 526, 789, 1042, 1052, 1315, 1563, 1578, 2084, 2605, 2630, 3126, 3156, 3945, 5210, 5260, 6252, 7815, 7890, 10420, 15630, 15780, 31260, 137023, 274046, 411069, 548092, 685115, 822138, 1370230, 1644276, 2055345, 2740460, 4110690, 8221380]

約数ペア:

[(1, 8221380), (2, 4110690), (3, 2740460), (4, 2055345), (5, 1644276), (6, 1370230), (10, 822138), (12, 685115), (15, 548092), (20, 411069), (30, 274046), (60, 137023), (263, 31260), (521, 15780), (526, 15630), (789, 10420), (1042, 7890), (1052, 7815), (1315, 6252), (1563, 5260), (1578, 5210), (2084, 3945), (2605, 3156), (2630, 3126)]