128635760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1151}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 329121792

約数和(自身を除く): 200486032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 880, 1016, 1151, 1270, 1397, 2032, 2302, 2540, 2794, 4604, 5080, 5588, 5755, 6985, 9208, 10160, 11176, 11510, 12661, 13970, 18416, 22352, 23020, 25322, 27940, 46040, 50644, 55880, 63305, 92080, 101288, 111760, 126610, 146177, 202576, 253220, 292354, 506440, 584708, 730885, 1012880, 1169416, 1461770, 1607947, 2338832, 2923540, 3215894, 5847080, 6431788, 8039735, 11694160, 12863576, 16079470, 25727152, 32158940, 64317880, 128635760]

約数ペア:

[(1, 128635760), (2, 64317880), (4, 32158940), (5, 25727152), (8, 16079470), (10, 12863576), (11, 11694160), (16, 8039735), (20, 6431788), (22, 5847080), (40, 3215894), (44, 2923540), (55, 2338832), (80, 1607947), (88, 1461770), (110, 1169416), (127, 1012880), (176, 730885), (220, 584708), (254, 506440), (440, 292354), (508, 253220), (635, 202576), (880, 146177), (1016, 126610), (1151, 111760), (1270, 101288), (1397, 92080), (2032, 63305), (2302, 55880), (2540, 50644), (2794, 46040), (4604, 27940), (5080, 25322), (5588, 23020), (5755, 22352), (6985, 18416), (9208, 13970), (10160, 12661), (11176, 11510)]