261791568

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:906

約数の個数: 160

約数和(自身を含む): 815126400

約数和(自身を除く): 553334832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 43, 48, 51, 54, 68, 72, 86, 102, 108, 129, 136, 144, 153, 172, 204, 216, 258, 272, 306, 344, 387, 408, 432, 459, 516, 612, 688, 731, 774, 816, 829, 918, 1032, 1161, 1224, 1462, 1548, 1658, 1836, 2064, 2193, 2322, 2448, 2487, 2924, 3096, 3316, 3672, 4386, 4644, 4974, 5848, 6192, 6579, 6632, 7344, 7461, 8772, 9288, 9948, 11696, 13158, 13264, 14093, 14922, 17544, 18576, 19737, 19896, 22383, 26316, 28186, 29844, 35088, 35647, 39474, 39792, 42279, 44766, 52632, 56372, 59688, 71294, 78948, 84558, 89532, 105264, 106941, 112744, 119376, 126837, 142588, 157896, 169116, 179064, 213882, 225488, 253674, 285176, 315792, 320823, 338232, 358128, 380511, 427764, 507348, 570352, 605999, 641646, 676464, 761022, 855528, 962469, 1014696, 1211998, 1283292, 1522044, 1711056, 1817997, 1924938, 2029392, 2423996, 2566584, 3044088, 3635994, 3849876, 4847992, 5133168, 5453991, 6088176, 7271988, 7699752, 9695984, 10907982, 14543976, 15399504, 16361973, 21815964, 29087952, 32723946, 43631928, 65447892, 87263856, 130895784, 261791568]

約数ペア:

[(1, 261791568), (2, 130895784), (3, 87263856), (4, 65447892), (6, 43631928), (8, 32723946), (9, 29087952), (12, 21815964), (16, 16361973), (17, 15399504), (18, 14543976), (24, 10907982), (27, 9695984), (34, 7699752), (36, 7271988), (43, 6088176), (48, 5453991), (51, 5133168), (54, 4847992), (68, 3849876), (72, 3635994), (86, 3044088), (102, 2566584), (108, 2423996), (129, 2029392), (136, 1924938), (144, 1817997), (153, 1711056), (172, 1522044), (204, 1283292), (216, 1211998), (258, 1014696), (272, 962469), (306, 855528), (344, 761022), (387, 676464), (408, 641646), (432, 605999), (459, 570352), (516, 507348), (612, 427764), (688, 380511), (731, 358128), (774, 338232), (816, 320823), (829, 315792), (918, 285176), (1032, 253674), (1161, 225488), (1224, 213882), (1462, 179064), (1548, 169116), (1658, 157896), (1836, 142588), (2064, 126837), (2193, 119376), (2322, 112744), (2448, 106941), (2487, 105264), (2924, 89532), (3096, 84558), (3316, 78948), (3672, 71294), (4386, 59688), (4644, 56372), (4974, 52632), (5848, 44766), (6192, 42279), (6579, 39792), (6632, 39474), (7344, 35647), (7461, 35088), (8772, 29844), (9288, 28186), (9948, 26316), (11696, 22383), (13158, 19896), (13264, 19737), (14093, 18576), (14922, 17544)]