261161856

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 794327040

約数和(自身を除く): 533165184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 71, 72, 93, 96, 103, 124, 128, 142, 144, 186, 192, 206, 213, 248, 279, 284, 288, 309, 372, 384, 412, 426, 496, 558, 568, 576, 618, 639, 744, 824, 852, 927, 992, 1116, 1136, 1152, 1236, 1278, 1488, 1648, 1704, 1854, 1984, 2201, 2232, 2272, 2472, 2556, 2976, 3193, 3296, 3408, 3708, 3968, 4402, 4464, 4544, 4944, 5112, 5952, 6386, 6592, 6603, 6816, 7313, 7416, 8804, 8928, 9088, 9579, 9888, 10224, 11904, 12772, 13184, 13206, 13632, 14626, 14832, 17608, 17856, 19158, 19776, 19809, 20448, 21939, 25544, 26412, 27264, 28737, 29252, 29664, 35216, 35712, 38316, 39552, 39618, 40896, 43878, 51088, 52824, 57474, 58504, 59328, 65817, 70432, 76632, 79236, 81792, 87756, 102176, 105648, 114948, 117008, 118656, 131634, 140864, 153264, 158472, 175512, 204352, 211296, 226703, 229896, 234016, 263268, 281728, 306528, 316944, 351024, 408704, 422592, 453406, 459792, 468032, 526536, 613056, 633888, 680109, 702048, 845184, 906812, 919584, 936064, 1053072, 1226112, 1267776, 1360218, 1404096, 1813624, 1839168, 2040327, 2106144, 2535552, 2720436, 2808192, 3627248, 3678336, 4080654, 4212288, 5440872, 7254496, 8161308, 8424576, 10881744, 14508992, 16322616, 21763488, 29017984, 32645232, 43526976, 65290464, 87053952, 130580928, 261161856]

約数ペア:

[(1, 261161856), (2, 130580928), (3, 87053952), (4, 65290464), (6, 43526976), (8, 32645232), (9, 29017984), (12, 21763488), (16, 16322616), (18, 14508992), (24, 10881744), (31, 8424576), (32, 8161308), (36, 7254496), (48, 5440872), (62, 4212288), (64, 4080654), (71, 3678336), (72, 3627248), (93, 2808192), (96, 2720436), (103, 2535552), (124, 2106144), (128, 2040327), (142, 1839168), (144, 1813624), (186, 1404096), (192, 1360218), (206, 1267776), (213, 1226112), (248, 1053072), (279, 936064), (284, 919584), (288, 906812), (309, 845184), (372, 702048), (384, 680109), (412, 633888), (426, 613056), (496, 526536), (558, 468032), (568, 459792), (576, 453406), (618, 422592), (639, 408704), (744, 351024), (824, 316944), (852, 306528), (927, 281728), (992, 263268), (1116, 234016), (1136, 229896), (1152, 226703), (1236, 211296), (1278, 204352), (1488, 175512), (1648, 158472), (1704, 153264), (1854, 140864), (1984, 131634), (2201, 118656), (2232, 117008), (2272, 114948), (2472, 105648), (2556, 102176), (2976, 87756), (3193, 81792), (3296, 79236), (3408, 76632), (3708, 70432), (3968, 65817), (4402, 59328), (4464, 58504), (4544, 57474), (4944, 52824), (5112, 51088), (5952, 43878), (6386, 40896), (6592, 39618), (6603, 39552), (6816, 38316), (7313, 35712), (7416, 35216), (8804, 29664), (8928, 29252), (9088, 28737), (9579, 27264), (9888, 26412), (10224, 25544), (11904, 21939), (12772, 20448), (13184, 19809), (13206, 19776), (13632, 19158), (14626, 17856), (14832, 17608)]