2787540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6637}}^1$

素因数の和:6656

約数の個数: 48

約数和(自身を含む): 8921472

約数和(自身を除く): 6133932

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, 6637, 13274, 19911, 26548, 33185, 39822, 46459, 66370, 79644, 92918, 99555, 132740, 139377, 185836, 199110, 232295, 278754, 398220, 464590, 557508, 696885, 929180, 1393770, 2787540]

約数ペア:

[(1, 2787540), (2, 1393770), (3, 929180), (4, 696885), (5, 557508), (6, 464590), (7, 398220), (10, 278754), (12, 232295), (14, 199110), (15, 185836), (20, 139377), (21, 132740), (28, 99555), (30, 92918), (35, 79644), (42, 66370), (60, 46459), (70, 39822), (84, 33185), (105, 26548), (140, 19911), (210, 13274), (420, 6637)]