1279076820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3045421}}^1$

素因数の和:3045440

約数の個数: 48

約数和(自身を含む): 4093047168

約数和(自身を除く): 2813970348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3045421, 6090842, 9136263, 12181684, 15227105, 18272526, 21317947, 30454210, 36545052, 42635894, 45681315, 60908420, 63953841, 85271788, 91362630, 106589735, 127907682, 182725260, 213179470, 255815364, 319769205, 426358940, 639538410, 1279076820]

約数ペア:

[(1, 1279076820), (2, 639538410), (3, 426358940), (4, 319769205), (5, 255815364), (6, 213179470), (7, 182725260), (10, 127907682), (12, 106589735), (14, 91362630), (15, 85271788), (20, 63953841), (21, 60908420), (28, 45681315), (30, 42635894), (35, 36545052), (42, 30454210), (60, 21317947), (70, 18272526), (84, 15227105), (105, 12181684), (140, 9136263), (210, 6090842), (420, 3045421)]