261567168

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:790

約数の個数: 112

約数和(自身を含む): 739713024

約数和(自身を除く): 478145856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 127, 136, 192, 204, 254, 272, 381, 408, 508, 544, 631, 762, 816, 1016, 1088, 1262, 1524, 1632, 1893, 2032, 2159, 2524, 3048, 3264, 3786, 4064, 4318, 5048, 6096, 6477, 7572, 8128, 8636, 10096, 10727, 12192, 12954, 15144, 17272, 20192, 21454, 24384, 25908, 30288, 32181, 34544, 40384, 42908, 51816, 60576, 64362, 69088, 80137, 85816, 103632, 121152, 128724, 138176, 160274, 171632, 207264, 240411, 257448, 320548, 343264, 414528, 480822, 514896, 641096, 686528, 961644, 1029792, 1282192, 1362329, 1923288, 2059584, 2564384, 2724658, 3846576, 4086987, 5128768, 5449316, 7693152, 8173974, 10898632, 15386304, 16347948, 21797264, 32695896, 43594528, 65391792, 87189056, 130783584, 261567168]

約数ペア:

[(1, 261567168), (2, 130783584), (3, 87189056), (4, 65391792), (6, 43594528), (8, 32695896), (12, 21797264), (16, 16347948), (17, 15386304), (24, 10898632), (32, 8173974), (34, 7693152), (48, 5449316), (51, 5128768), (64, 4086987), (68, 3846576), (96, 2724658), (102, 2564384), (127, 2059584), (136, 1923288), (192, 1362329), (204, 1282192), (254, 1029792), (272, 961644), (381, 686528), (408, 641096), (508, 514896), (544, 480822), (631, 414528), (762, 343264), (816, 320548), (1016, 257448), (1088, 240411), (1262, 207264), (1524, 171632), (1632, 160274), (1893, 138176), (2032, 128724), (2159, 121152), (2524, 103632), (3048, 85816), (3264, 80137), (3786, 69088), (4064, 64362), (4318, 60576), (5048, 51816), (6096, 42908), (6477, 40384), (7572, 34544), (8128, 32181), (8636, 30288), (10096, 25908), (10727, 24384), (12192, 21454), (12954, 20192), (15144, 17272)]