27870780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66359}}^1$

素因数の和:66378

約数の個数: 48

約数和(自身を含む): 89187840

約数和(自身を除く): 61317060

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, 66359, 132718, 199077, 265436, 331795, 398154, 464513, 663590, 796308, 929026, 995385, 1327180, 1393539, 1858052, 1990770, 2322565, 2787078, 3981540, 4645130, 5574156, 6967695, 9290260, 13935390, 27870780]

約数ペア:

[(1, 27870780), (2, 13935390), (3, 9290260), (4, 6967695), (5, 5574156), (6, 4645130), (7, 3981540), (10, 2787078), (12, 2322565), (14, 1990770), (15, 1858052), (20, 1393539), (21, 1327180), (28, 995385), (30, 929026), (35, 796308), (42, 663590), (60, 464513), (70, 398154), (84, 331795), (105, 265436), (140, 199077), (210, 132718), (420, 66359)]