256287168

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^2\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 126

約数和(自身を含む): 760701552

約数和(自身を除く): 504414384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 144, 186, 192, 248, 279, 288, 372, 463, 496, 558, 576, 744, 926, 961, 992, 1116, 1389, 1488, 1852, 1922, 1984, 2232, 2778, 2883, 2976, 3704, 3844, 4167, 4464, 5556, 5766, 5952, 7408, 7688, 8334, 8649, 8928, 11112, 11532, 14353, 14816, 15376, 16668, 17298, 17856, 22224, 23064, 28706, 29632, 30752, 33336, 34596, 43059, 44448, 46128, 57412, 61504, 66672, 69192, 86118, 88896, 92256, 114824, 129177, 133344, 138384, 172236, 184512, 229648, 258354, 266688, 276768, 344472, 444943, 459296, 516708, 553536, 688944, 889886, 918592, 1033416, 1334829, 1377888, 1779772, 2066832, 2669658, 2755776, 3559544, 4004487, 4133664, 5339316, 7119088, 8008974, 8267328, 10678632, 14238176, 16017948, 21357264, 28476352, 32035896, 42714528, 64071792, 85429056, 128143584, 256287168]

約数ペア:

[(1, 256287168), (2, 128143584), (3, 85429056), (4, 64071792), (6, 42714528), (8, 32035896), (9, 28476352), (12, 21357264), (16, 16017948), (18, 14238176), (24, 10678632), (31, 8267328), (32, 8008974), (36, 7119088), (48, 5339316), (62, 4133664), (64, 4004487), (72, 3559544), (93, 2755776), (96, 2669658), (124, 2066832), (144, 1779772), (186, 1377888), (192, 1334829), (248, 1033416), (279, 918592), (288, 889886), (372, 688944), (463, 553536), (496, 516708), (558, 459296), (576, 444943), (744, 344472), (926, 276768), (961, 266688), (992, 258354), (1116, 229648), (1389, 184512), (1488, 172236), (1852, 138384), (1922, 133344), (1984, 129177), (2232, 114824), (2778, 92256), (2883, 88896), (2976, 86118), (3704, 69192), (3844, 66672), (4167, 61504), (4464, 57412), (5556, 46128), (5766, 44448), (5952, 43059), (7408, 34596), (7688, 33336), (8334, 30752), (8649, 29632), (8928, 28706), (11112, 23064), (11532, 22224), (14353, 17856), (14816, 17298), (15376, 16668)]