1989771264

素因数分解:

$2^{15}\times 3^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 256

約数和(自身を含む): 6385730400

約数和(自身を除く): 4395959136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 173, 192, 208, 216, 234, 256, 288, 312, 346, 351, 384, 416, 432, 468, 512, 519, 576, 624, 692, 702, 768, 832, 864, 936, 1024, 1038, 1152, 1248, 1384, 1404, 1536, 1557, 1664, 1728, 1872, 2048, 2076, 2249, 2304, 2496, 2768, 2808, 3072, 3114, 3328, 3456, 3744, 4096, 4152, 4498, 4608, 4671, 4992, 5536, 5616, 6144, 6228, 6656, 6747, 6912, 7488, 8192, 8304, 8996, 9216, 9342, 9984, 11072, 11232, 12288, 12456, 13312, 13494, 13824, 14976, 16384, 16608, 17992, 18432, 18684, 19968, 20241, 22144, 22464, 24576, 24912, 26624, 26988, 27648, 29952, 32768, 33216, 35984, 36864, 37368, 39936, 40482, 44288, 44928, 49152, 49824, 53248, 53976, 55296, 59904, 60723, 66432, 71968, 73728, 74736, 79872, 80964, 88576, 89856, 98304, 99648, 106496, 107952, 110592, 119808, 121446, 132864, 143936, 147456, 149472, 159744, 161928, 177152, 179712, 199296, 212992, 215904, 221184, 239616, 242892, 265728, 287872, 294912, 298944, 319488, 323856, 354304, 359424, 398592, 425984, 431808, 442368, 479232, 485784, 531456, 575744, 597888, 638976, 647712, 708608, 718848, 797184, 863616, 884736, 958464, 971568, 1062912, 1151488, 1195776, 1277952, 1295424, 1417216, 1437696, 1594368, 1727232, 1916928, 1943136, 2125824, 2302976, 2391552, 2590848, 2834432, 2875392, 3188736, 3454464, 3833856, 3886272, 4251648, 4605952, 4783104, 5181696, 5668864, 5750784, 6377472, 6908928, 7772544, 8503296, 9211904, 9566208, 10363392, 11501568, 12754944, 13817856, 15545088, 17006592, 18423808, 19132416, 20726784, 25509888, 27635712, 31090176, 36847616, 38264832, 41453568, 51019776, 55271424, 62180352, 73695232, 76529664, 82907136, 110542848, 124360704, 153059328, 165814272, 221085696, 248721408, 331628544, 497442816, 663257088, 994885632, 1989771264]

約数ペア:

[(1, 1989771264), (2, 994885632), (3, 663257088), (4, 497442816), (6, 331628544), (8, 248721408), (9, 221085696), (12, 165814272), (13, 153059328), (16, 124360704), (18, 110542848), (24, 82907136), (26, 76529664), (27, 73695232), (32, 62180352), (36, 55271424), (39, 51019776), (48, 41453568), (52, 38264832), (54, 36847616), (64, 31090176), (72, 27635712), (78, 25509888), (96, 20726784), (104, 19132416), (108, 18423808), (117, 17006592), (128, 15545088), (144, 13817856), (156, 12754944), (173, 11501568), (192, 10363392), (208, 9566208), (216, 9211904), (234, 8503296), (256, 7772544), (288, 6908928), (312, 6377472), (346, 5750784), (351, 5668864), (384, 5181696), (416, 4783104), (432, 4605952), (468, 4251648), (512, 3886272), (519, 3833856), (576, 3454464), (624, 3188736), (692, 2875392), (702, 2834432), (768, 2590848), (832, 2391552), (864, 2302976), (936, 2125824), (1024, 1943136), (1038, 1916928), (1152, 1727232), (1248, 1594368), (1384, 1437696), (1404, 1417216), (1536, 1295424), (1557, 1277952), (1664, 1195776), (1728, 1151488), (1872, 1062912), (2048, 971568), (2076, 958464), (2249, 884736), (2304, 863616), (2496, 797184), (2768, 718848), (2808, 708608), (3072, 647712), (3114, 638976), (3328, 597888), (3456, 575744), (3744, 531456), (4096, 485784), (4152, 479232), (4498, 442368), (4608, 431808), (4671, 425984), (4992, 398592), (5536, 359424), (5616, 354304), (6144, 323856), (6228, 319488), (6656, 298944), (6747, 294912), (6912, 287872), (7488, 265728), (8192, 242892), (8304, 239616), (8996, 221184), (9216, 215904), (9342, 212992), (9984, 199296), (11072, 179712), (11232, 177152), (12288, 161928), (12456, 159744), (13312, 149472), (13494, 147456), (13824, 143936), (14976, 132864), (16384, 121446), (16608, 119808), (17992, 110592), (18432, 107952), (18684, 106496), (19968, 99648), (20241, 98304), (22144, 89856), (22464, 88576), (24576, 80964), (24912, 79872), (26624, 74736), (26988, 73728), (27648, 71968), (29952, 66432), (32768, 60723), (33216, 59904), (35984, 55296), (36864, 53976), (37368, 53248), (39936, 49824), (40482, 49152), (44288, 44928)]