1781195520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1219

約数の個数: 288

約数和(自身を含む): 6329401344

約数和(自身を除く): 4548205824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 640, 744, 768, 780, 806, 832, 930, 960, 992, 1040, 1151, 1209, 1240, 1248, 1280, 1488, 1560, 1612, 1664, 1860, 1920, 1984, 2015, 2080, 2302, 2418, 2480, 2496, 2976, 3120, 3224, 3328, 3453, 3720, 3840, 3968, 4030, 4160, 4604, 4836, 4960, 4992, 5755, 5952, 6045, 6240, 6448, 6906, 7440, 7936, 8060, 8320, 9208, 9672, 9920, 9984, 11510, 11904, 12090, 12480, 12896, 13812, 14880, 14963, 16120, 16640, 17265, 18416, 19344, 19840, 23020, 23808, 24180, 24960, 25792, 27624, 29760, 29926, 32240, 34530, 35681, 36832, 38688, 39680, 44889, 46040, 48360, 49920, 51584, 55248, 59520, 59852, 64480, 69060, 71362, 73664, 74815, 77376, 89778, 92080, 96720, 103168, 107043, 110496, 119040, 119704, 128960, 138120, 142724, 147328, 149630, 154752, 178405, 179556, 184160, 193440, 214086, 220992, 224445, 239408, 257920, 276240, 285448, 294656, 299260, 309504, 356810, 359112, 368320, 386880, 428172, 441984, 448890, 463853, 478816, 515840, 535215, 552480, 570896, 598520, 713620, 718224, 736640, 773760, 856344, 883968, 897780, 927706, 957632, 1070430, 1104960, 1141792, 1197040, 1391559, 1427240, 1436448, 1473280, 1547520, 1712688, 1795560, 1855412, 1915264, 2140860, 2209920, 2283584, 2319265, 2394080, 2783118, 2854480, 2872896, 3425376, 3591120, 3710824, 3830528, 4281720, 4419840, 4567168, 4638530, 4788160, 5566236, 5708960, 5745792, 6850752, 6957795, 7182240, 7421648, 8563440, 9134336, 9277060, 9576320, 11132472, 11417920, 11491584, 13701504, 13915590, 14364480, 14843296, 17126880, 18554120, 19152640, 22264944, 22835840, 27403008, 27831180, 28728960, 29686592, 34253760, 37108240, 44529888, 45671680, 55662360, 57457920, 59373184, 68507520, 74216480, 89059776, 111324720, 118746368, 137015040, 148432960, 178119552, 222649440, 296865920, 356239104, 445298880, 593731840, 890597760, 1781195520]

約数ペア:

[(1, 1781195520), (2, 890597760), (3, 593731840), (4, 445298880), (5, 356239104), (6, 296865920), (8, 222649440), (10, 178119552), (12, 148432960), (13, 137015040), (15, 118746368), (16, 111324720), (20, 89059776), (24, 74216480), (26, 68507520), (30, 59373184), (31, 57457920), (32, 55662360), (39, 45671680), (40, 44529888), (48, 37108240), (52, 34253760), (60, 29686592), (62, 28728960), (64, 27831180), (65, 27403008), (78, 22835840), (80, 22264944), (93, 19152640), (96, 18554120), (104, 17126880), (120, 14843296), (124, 14364480), (128, 13915590), (130, 13701504), (155, 11491584), (156, 11417920), (160, 11132472), (186, 9576320), (192, 9277060), (195, 9134336), (208, 8563440), (240, 7421648), (248, 7182240), (256, 6957795), (260, 6850752), (310, 5745792), (312, 5708960), (320, 5566236), (372, 4788160), (384, 4638530), (390, 4567168), (403, 4419840), (416, 4281720), (465, 3830528), (480, 3710824), (496, 3591120), (520, 3425376), (620, 2872896), (624, 2854480), (640, 2783118), (744, 2394080), (768, 2319265), (780, 2283584), (806, 2209920), (832, 2140860), (930, 1915264), (960, 1855412), (992, 1795560), (1040, 1712688), (1151, 1547520), (1209, 1473280), (1240, 1436448), (1248, 1427240), (1280, 1391559), (1488, 1197040), (1560, 1141792), (1612, 1104960), (1664, 1070430), (1860, 957632), (1920, 927706), (1984, 897780), (2015, 883968), (2080, 856344), (2302, 773760), (2418, 736640), (2480, 718224), (2496, 713620), (2976, 598520), (3120, 570896), (3224, 552480), (3328, 535215), (3453, 515840), (3720, 478816), (3840, 463853), (3968, 448890), (4030, 441984), (4160, 428172), (4604, 386880), (4836, 368320), (4960, 359112), (4992, 356810), (5755, 309504), (5952, 299260), (6045, 294656), (6240, 285448), (6448, 276240), (6906, 257920), (7440, 239408), (7936, 224445), (8060, 220992), (8320, 214086), (9208, 193440), (9672, 184160), (9920, 179556), (9984, 178405), (11510, 154752), (11904, 149630), (12090, 147328), (12480, 142724), (12896, 138120), (13812, 128960), (14880, 119704), (14963, 119040), (16120, 110496), (16640, 107043), (17265, 103168), (18416, 96720), (19344, 92080), (19840, 89778), (23020, 77376), (23808, 74815), (24180, 73664), (24960, 71362), (25792, 69060), (27624, 64480), (29760, 59852), (29926, 59520), (32240, 55248), (34530, 51584), (35681, 49920), (36832, 48360), (38688, 46040), (39680, 44889)]