86418780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{205759}}^1$

素因数の和:205778

約数の個数: 48

約数和(自身を含む): 276541440

約数和(自身を除く): 190122660

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, 205759, 411518, 617277, 823036, 1028795, 1234554, 1440313, 2057590, 2469108, 2880626, 3086385, 4115180, 4320939, 5761252, 6172770, 7201565, 8641878, 12345540, 14403130, 17283756, 21604695, 28806260, 43209390, 86418780]

約数ペア:

[(1, 86418780), (2, 43209390), (3, 28806260), (4, 21604695), (5, 17283756), (6, 14403130), (7, 12345540), (10, 8641878), (12, 7201565), (14, 6172770), (15, 5761252), (20, 4320939), (21, 4115180), (28, 3086385), (30, 2880626), (35, 2469108), (42, 2057590), (60, 1440313), (70, 1234554), (84, 1028795), (105, 823036), (140, 617277), (210, 411518), (420, 205759)]