81499392

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:945

約数の個数: 144

約数和(自身を含む): 259833280

約数和(自身を除く): 178333888

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, 192, 208, 216, 234, 256, 288, 312, 351, 384, 416, 432, 468, 576, 624, 702, 768, 832, 864, 907, 936, 1152, 1248, 1404, 1664, 1728, 1814, 1872, 2304, 2496, 2721, 2808, 3328, 3456, 3628, 3744, 4992, 5442, 5616, 6912, 7256, 7488, 8163, 9984, 10884, 11232, 11791, 14512, 14976, 16326, 21768, 22464, 23582, 24489, 29024, 29952, 32652, 35373, 43536, 44928, 47164, 48978, 58048, 65304, 70746, 87072, 89856, 94328, 97956, 106119, 116096, 130608, 141492, 174144, 188656, 195912, 212238, 232192, 261216, 282984, 318357, 348288, 377312, 391824, 424476, 522432, 565968, 636714, 696576, 754624, 783648, 848952, 1044864, 1131936, 1273428, 1509248, 1567296, 1697904, 2089728, 2263872, 2546856, 3018496, 3134592, 3395808, 4527744, 5093712, 6269184, 6791616, 9055488, 10187424, 13583232, 20374848, 27166464, 40749696, 81499392]

約数ペア:

[(1, 81499392), (2, 40749696), (3, 27166464), (4, 20374848), (6, 13583232), (8, 10187424), (9, 9055488), (12, 6791616), (13, 6269184), (16, 5093712), (18, 4527744), (24, 3395808), (26, 3134592), (27, 3018496), (32, 2546856), (36, 2263872), (39, 2089728), (48, 1697904), (52, 1567296), (54, 1509248), (64, 1273428), (72, 1131936), (78, 1044864), (96, 848952), (104, 783648), (108, 754624), (117, 696576), (128, 636714), (144, 565968), (156, 522432), (192, 424476), (208, 391824), (216, 377312), (234, 348288), (256, 318357), (288, 282984), (312, 261216), (351, 232192), (384, 212238), (416, 195912), (432, 188656), (468, 174144), (576, 141492), (624, 130608), (702, 116096), (768, 106119), (832, 97956), (864, 94328), (907, 89856), (936, 87072), (1152, 70746), (1248, 65304), (1404, 58048), (1664, 48978), (1728, 47164), (1814, 44928), (1872, 43536), (2304, 35373), (2496, 32652), (2721, 29952), (2808, 29024), (3328, 24489), (3456, 23582), (3628, 22464), (3744, 21768), (4992, 16326), (5442, 14976), (5616, 14512), (6912, 11791), (7256, 11232), (7488, 10884), (8163, 9984)]