8145660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 22932000

約数和(自身を除く): 14786340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 389, 698, 778, 1047, 1167, 1396, 1556, 1745, 1945, 2094, 2334, 3490, 3890, 4188, 4668, 5235, 5835, 6980, 7780, 10470, 11670, 20940, 23340, 135761, 271522, 407283, 543044, 678805, 814566, 1357610, 1629132, 2036415, 2715220, 4072830, 8145660]

約数ペア:

[(1, 8145660), (2, 4072830), (3, 2715220), (4, 2036415), (5, 1629132), (6, 1357610), (10, 814566), (12, 678805), (15, 543044), (20, 407283), (30, 271522), (60, 135761), (349, 23340), (389, 20940), (698, 11670), (778, 10470), (1047, 7780), (1167, 6980), (1396, 5835), (1556, 5235), (1745, 4668), (1945, 4188), (2094, 3890), (2334, 3490)]