255911460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{609313}}^1$

素因数の和:609332

約数の個数: 48

約数和(自身を含む): 818918016

約数和(自身を除く): 563006556

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, 609313, 1218626, 1827939, 2437252, 3046565, 3655878, 4265191, 6093130, 7311756, 8530382, 9139695, 12186260, 12795573, 17060764, 18279390, 21325955, 25591146, 36558780, 42651910, 51182292, 63977865, 85303820, 127955730, 255911460]

約数ペア:

[(1, 255911460), (2, 127955730), (3, 85303820), (4, 63977865), (5, 51182292), (6, 42651910), (7, 36558780), (10, 25591146), (12, 21325955), (14, 18279390), (15, 17060764), (20, 12795573), (21, 12186260), (28, 9139695), (30, 8530382), (35, 7311756), (42, 6093130), (60, 4265191), (70, 3655878), (84, 3046565), (105, 2437252), (140, 1827939), (210, 1218626), (420, 609313)]