12381409280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:772

約数の個数: 208

約数和(自身を含む): 31988148480

約数和(自身を除く): 19606739200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 152, 160, 188, 190, 235, 256, 304, 320, 376, 380, 470, 512, 608, 640, 677, 752, 760, 893, 940, 1024, 1216, 1280, 1354, 1504, 1520, 1786, 1880, 2048, 2432, 2560, 2708, 3008, 3040, 3385, 3572, 3760, 4096, 4465, 4864, 5120, 5416, 6016, 6080, 6770, 7144, 7520, 8930, 9728, 10240, 10832, 12032, 12160, 12863, 13540, 14288, 15040, 17860, 19456, 20480, 21664, 24064, 24320, 25726, 27080, 28576, 30080, 31819, 35720, 38912, 43328, 48128, 48640, 51452, 54160, 57152, 60160, 63638, 64315, 71440, 77824, 86656, 96256, 97280, 102904, 108320, 114304, 120320, 127276, 128630, 142880, 159095, 173312, 192512, 194560, 205808, 216640, 228608, 240640, 254552, 257260, 285760, 318190, 346624, 389120, 411616, 433280, 457216, 481280, 509104, 514520, 571520, 604561, 636380, 693248, 823232, 866560, 914432, 962560, 1018208, 1029040, 1143040, 1209122, 1272760, 1386496, 1646464, 1733120, 1828864, 2036416, 2058080, 2286080, 2418244, 2545520, 2772992, 3022805, 3292928, 3466240, 3657728, 4072832, 4116160, 4572160, 4836488, 5091040, 6045610, 6585856, 6932480, 8145664, 8232320, 9144320, 9672976, 10182080, 12091220, 13171712, 13864960, 16291328, 16464640, 18288640, 19345952, 20364160, 24182440, 26343424, 32582656, 32929280, 38691904, 40728320, 48364880, 52686848, 65165312, 65858560, 77383808, 81456640, 96729760, 130330624, 131717120, 154767616, 162913280, 193459520, 263434240, 309535232, 325826560, 386919040, 619070464, 651653120, 773838080, 1238140928, 1547676160, 2476281856, 3095352320, 6190704640, 12381409280]

約数ペア:

[(1, 12381409280), (2, 6190704640), (4, 3095352320), (5, 2476281856), (8, 1547676160), (10, 1238140928), (16, 773838080), (19, 651653120), (20, 619070464), (32, 386919040), (38, 325826560), (40, 309535232), (47, 263434240), (64, 193459520), (76, 162913280), (80, 154767616), (94, 131717120), (95, 130330624), (128, 96729760), (152, 81456640), (160, 77383808), (188, 65858560), (190, 65165312), (235, 52686848), (256, 48364880), (304, 40728320), (320, 38691904), (376, 32929280), (380, 32582656), (470, 26343424), (512, 24182440), (608, 20364160), (640, 19345952), (677, 18288640), (752, 16464640), (760, 16291328), (893, 13864960), (940, 13171712), (1024, 12091220), (1216, 10182080), (1280, 9672976), (1354, 9144320), (1504, 8232320), (1520, 8145664), (1786, 6932480), (1880, 6585856), (2048, 6045610), (2432, 5091040), (2560, 4836488), (2708, 4572160), (3008, 4116160), (3040, 4072832), (3385, 3657728), (3572, 3466240), (3760, 3292928), (4096, 3022805), (4465, 2772992), (4864, 2545520), (5120, 2418244), (5416, 2286080), (6016, 2058080), (6080, 2036416), (6770, 1828864), (7144, 1733120), (7520, 1646464), (8930, 1386496), (9728, 1272760), (10240, 1209122), (10832, 1143040), (12032, 1029040), (12160, 1018208), (12863, 962560), (13540, 914432), (14288, 866560), (15040, 823232), (17860, 693248), (19456, 636380), (20480, 604561), (21664, 571520), (24064, 514520), (24320, 509104), (25726, 481280), (27080, 457216), (28576, 433280), (30080, 411616), (31819, 389120), (35720, 346624), (38912, 318190), (43328, 285760), (48128, 257260), (48640, 254552), (51452, 240640), (54160, 228608), (57152, 216640), (60160, 205808), (63638, 194560), (64315, 192512), (71440, 173312), (77824, 159095), (86656, 142880), (96256, 128630), (97280, 127276), (102904, 120320), (108320, 114304)]