268647540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639637}}^1$

素因数の和:639656

約数の個数: 48

約数和(自身を含む): 859673472

約数和(自身を除く): 591025932

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, 639637, 1279274, 1918911, 2558548, 3198185, 3837822, 4477459, 6396370, 7675644, 8954918, 9594555, 12792740, 13432377, 17909836, 19189110, 22387295, 26864754, 38378220, 44774590, 53729508, 67161885, 89549180, 134323770, 268647540]

約数ペア:

[(1, 268647540), (2, 134323770), (3, 89549180), (4, 67161885), (5, 53729508), (6, 44774590), (7, 38378220), (10, 26864754), (12, 22387295), (14, 19189110), (15, 17909836), (20, 13432377), (21, 12792740), (28, 9594555), (30, 8954918), (35, 7675644), (42, 6396370), (60, 4477459), (70, 3837822), (84, 3198185), (105, 2558548), (140, 1918911), (210, 1279274), (420, 639637)]