261257088

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1356

約数の個数: 128

約数和(自身を含む): 759075840

約数和(自身を除く): 497818752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 64, 68, 93, 96, 102, 124, 128, 136, 186, 192, 204, 248, 272, 372, 384, 408, 496, 527, 544, 744, 816, 992, 1054, 1088, 1291, 1488, 1581, 1632, 1984, 2108, 2176, 2582, 2976, 3162, 3264, 3873, 3968, 4216, 5164, 5952, 6324, 6528, 7746, 8432, 10328, 11904, 12648, 15492, 16864, 20656, 21947, 25296, 30984, 33728, 40021, 41312, 43894, 50592, 61968, 65841, 67456, 80042, 82624, 87788, 101184, 120063, 123936, 131682, 160084, 165248, 175576, 202368, 240126, 247872, 263364, 320168, 351152, 480252, 495744, 526728, 640336, 680357, 702304, 960504, 1053456, 1280672, 1360714, 1404608, 1921008, 2041071, 2106912, 2561344, 2721428, 2809216, 3842016, 4082142, 4213824, 5122688, 5442856, 7684032, 8164284, 8427648, 10885712, 15368064, 16328568, 21771424, 32657136, 43542848, 65314272, 87085696, 130628544, 261257088]

約数ペア:

[(1, 261257088), (2, 130628544), (3, 87085696), (4, 65314272), (6, 43542848), (8, 32657136), (12, 21771424), (16, 16328568), (17, 15368064), (24, 10885712), (31, 8427648), (32, 8164284), (34, 7684032), (48, 5442856), (51, 5122688), (62, 4213824), (64, 4082142), (68, 3842016), (93, 2809216), (96, 2721428), (102, 2561344), (124, 2106912), (128, 2041071), (136, 1921008), (186, 1404608), (192, 1360714), (204, 1280672), (248, 1053456), (272, 960504), (372, 702304), (384, 680357), (408, 640336), (496, 526728), (527, 495744), (544, 480252), (744, 351152), (816, 320168), (992, 263364), (1054, 247872), (1088, 240126), (1291, 202368), (1488, 175576), (1581, 165248), (1632, 160084), (1984, 131682), (2108, 123936), (2176, 120063), (2582, 101184), (2976, 87788), (3162, 82624), (3264, 80042), (3873, 67456), (3968, 65841), (4216, 61968), (5164, 50592), (5952, 43894), (6324, 41312), (6528, 40021), (7746, 33728), (8432, 30984), (10328, 25296), (11904, 21947), (12648, 20656), (15492, 16864)]