686944128

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 256

約数和(自身を含む): 2127605760

約数和(自身を除く): 1440661632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 31, 32, 39, 46, 48, 52, 62, 64, 69, 78, 92, 93, 96, 104, 124, 128, 138, 156, 184, 186, 192, 193, 208, 248, 276, 299, 312, 368, 372, 384, 386, 403, 416, 496, 552, 579, 598, 624, 713, 736, 744, 772, 806, 832, 897, 992, 1104, 1158, 1196, 1209, 1248, 1426, 1472, 1488, 1544, 1612, 1664, 1794, 1984, 2139, 2208, 2316, 2392, 2418, 2496, 2509, 2852, 2944, 2976, 3088, 3224, 3588, 3968, 4278, 4416, 4439, 4632, 4784, 4836, 4992, 5018, 5704, 5952, 5983, 6176, 6448, 7176, 7527, 8556, 8832, 8878, 9264, 9269, 9568, 9672, 10036, 11408, 11904, 11966, 12352, 12896, 13317, 14352, 15054, 17112, 17756, 17949, 18528, 18538, 19136, 19344, 20072, 22816, 23932, 24704, 25792, 26634, 27807, 28704, 30108, 34224, 35512, 35898, 37056, 37076, 38272, 38688, 40144, 45632, 47864, 51584, 53268, 55614, 57408, 57707, 60216, 68448, 71024, 71796, 74112, 74152, 77376, 77779, 80288, 91264, 95728, 106536, 111228, 114816, 115414, 120432, 136896, 137609, 142048, 143592, 148304, 154752, 155558, 160576, 173121, 191456, 213072, 222456, 230828, 233337, 240864, 273792, 275218, 284096, 287184, 296608, 311116, 321152, 346242, 382912, 412827, 426144, 444912, 461656, 466674, 481728, 550436, 568192, 574368, 593216, 622232, 692484, 765824, 825654, 852288, 889824, 923312, 933348, 963456, 1100872, 1148736, 1186432, 1244464, 1384968, 1651308, 1704576, 1779648, 1788917, 1846624, 1866696, 2201744, 2297472, 2488928, 2769936, 3302616, 3559296, 3577834, 3693248, 3733392, 4403488, 4977856, 5366751, 5539872, 6605232, 7155668, 7386496, 7466784, 8806976, 9955712, 10733502, 11079744, 13210464, 14311336, 14933568, 17613952, 21467004, 22159488, 26420928, 28622672, 29867136, 42934008, 52841856, 57245344, 85868016, 114490688, 171736032, 228981376, 343472064, 686944128]

約数ペア:

[(1, 686944128), (2, 343472064), (3, 228981376), (4, 171736032), (6, 114490688), (8, 85868016), (12, 57245344), (13, 52841856), (16, 42934008), (23, 29867136), (24, 28622672), (26, 26420928), (31, 22159488), (32, 21467004), (39, 17613952), (46, 14933568), (48, 14311336), (52, 13210464), (62, 11079744), (64, 10733502), (69, 9955712), (78, 8806976), (92, 7466784), (93, 7386496), (96, 7155668), (104, 6605232), (124, 5539872), (128, 5366751), (138, 4977856), (156, 4403488), (184, 3733392), (186, 3693248), (192, 3577834), (193, 3559296), (208, 3302616), (248, 2769936), (276, 2488928), (299, 2297472), (312, 2201744), (368, 1866696), (372, 1846624), (384, 1788917), (386, 1779648), (403, 1704576), (416, 1651308), (496, 1384968), (552, 1244464), (579, 1186432), (598, 1148736), (624, 1100872), (713, 963456), (736, 933348), (744, 923312), (772, 889824), (806, 852288), (832, 825654), (897, 765824), (992, 692484), (1104, 622232), (1158, 593216), (1196, 574368), (1209, 568192), (1248, 550436), (1426, 481728), (1472, 466674), (1488, 461656), (1544, 444912), (1612, 426144), (1664, 412827), (1794, 382912), (1984, 346242), (2139, 321152), (2208, 311116), (2316, 296608), (2392, 287184), (2418, 284096), (2496, 275218), (2509, 273792), (2852, 240864), (2944, 233337), (2976, 230828), (3088, 222456), (3224, 213072), (3588, 191456), (3968, 173121), (4278, 160576), (4416, 155558), (4439, 154752), (4632, 148304), (4784, 143592), (4836, 142048), (4992, 137609), (5018, 136896), (5704, 120432), (5952, 115414), (5983, 114816), (6176, 111228), (6448, 106536), (7176, 95728), (7527, 91264), (8556, 80288), (8832, 77779), (8878, 77376), (9264, 74152), (9269, 74112), (9568, 71796), (9672, 71024), (10036, 68448), (11408, 60216), (11904, 57707), (11966, 57408), (12352, 55614), (12896, 53268), (13317, 51584), (14352, 47864), (15054, 45632), (17112, 40144), (17756, 38688), (17949, 38272), (18528, 37076), (18538, 37056), (19136, 35898), (19344, 35512), (20072, 34224), (22816, 30108), (23932, 28704), (24704, 27807), (25792, 26634)]