81366960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8269}}^1$

素因数の和:8326

約数の個数: 80

約数和(自身を含む): 258420960

約数和(自身を除く): 177054000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 8269, 9840, 16538, 24807, 33076, 41345, 49614, 66152, 82690, 99228, 124035, 132304, 165380, 198456, 248070, 330760, 339029, 396912, 496140, 661520, 678058, 992280, 1017087, 1356116, 1695145, 1984560, 2034174, 2712232, 3390290, 4068348, 5085435, 5424464, 6780580, 8136696, 10170870, 13561160, 16273392, 20341740, 27122320, 40683480, 81366960]

約数ペア:

[(1, 81366960), (2, 40683480), (3, 27122320), (4, 20341740), (5, 16273392), (6, 13561160), (8, 10170870), (10, 8136696), (12, 6780580), (15, 5424464), (16, 5085435), (20, 4068348), (24, 3390290), (30, 2712232), (40, 2034174), (41, 1984560), (48, 1695145), (60, 1356116), (80, 1017087), (82, 992280), (120, 678058), (123, 661520), (164, 496140), (205, 396912), (240, 339029), (246, 330760), (328, 248070), (410, 198456), (492, 165380), (615, 132304), (656, 124035), (820, 99228), (984, 82690), (1230, 66152), (1640, 49614), (1968, 41345), (2460, 33076), (3280, 24807), (4920, 16538), (8269, 9840)]