261643056

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1031}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 718668288

約数和(自身を除く): 457025232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 311, 408, 622, 816, 933, 1031, 1244, 1866, 2062, 2488, 3093, 3732, 4124, 4976, 5287, 6186, 7464, 8248, 10574, 12372, 14928, 15861, 16496, 17527, 21148, 24744, 31722, 35054, 42296, 49488, 52581, 63444, 70108, 84592, 105162, 126888, 140216, 210324, 253776, 280432, 320641, 420648, 641282, 841296, 961923, 1282564, 1923846, 2565128, 3847692, 5130256, 5450897, 7695384, 10901794, 15390768, 16352691, 21803588, 32705382, 43607176, 65410764, 87214352, 130821528, 261643056]

約数ペア:

[(1, 261643056), (2, 130821528), (3, 87214352), (4, 65410764), (6, 43607176), (8, 32705382), (12, 21803588), (16, 16352691), (17, 15390768), (24, 10901794), (34, 7695384), (48, 5450897), (51, 5130256), (68, 3847692), (102, 2565128), (136, 1923846), (204, 1282564), (272, 961923), (311, 841296), (408, 641282), (622, 420648), (816, 320641), (933, 280432), (1031, 253776), (1244, 210324), (1866, 140216), (2062, 126888), (2488, 105162), (3093, 84592), (3732, 70108), (4124, 63444), (4976, 52581), (5287, 49488), (6186, 42296), (7464, 35054), (8248, 31722), (10574, 24744), (12372, 21148), (14928, 17527), (15861, 16496)]