267728560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{991}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 681956352

約数和(自身を除く): 414227792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 307, 440, 614, 880, 991, 1228, 1535, 1982, 2456, 3070, 3377, 3964, 4912, 4955, 6140, 6754, 7928, 9910, 10901, 12280, 13508, 15856, 16885, 19820, 21802, 24560, 27016, 33770, 39640, 43604, 54032, 54505, 67540, 79280, 87208, 109010, 135080, 174416, 218020, 270160, 304237, 436040, 608474, 872080, 1216948, 1521185, 2433896, 3042370, 3346607, 4867792, 6084740, 6693214, 12169480, 13386428, 16733035, 24338960, 26772856, 33466070, 53545712, 66932140, 133864280, 267728560]

約数ペア:

[(1, 267728560), (2, 133864280), (4, 66932140), (5, 53545712), (8, 33466070), (10, 26772856), (11, 24338960), (16, 16733035), (20, 13386428), (22, 12169480), (40, 6693214), (44, 6084740), (55, 4867792), (80, 3346607), (88, 3042370), (110, 2433896), (176, 1521185), (220, 1216948), (307, 872080), (440, 608474), (614, 436040), (880, 304237), (991, 270160), (1228, 218020), (1535, 174416), (1982, 135080), (2456, 109010), (3070, 87208), (3377, 79280), (3964, 67540), (4912, 54505), (4955, 54032), (6140, 43604), (6754, 39640), (7928, 33770), (9910, 27016), (10901, 24560), (12280, 21802), (13508, 19820), (15856, 16885)]