78773760

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 240

約数和(自身を含む): 294918624

約数和(自身を除く): 216144864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 263, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 526, 576, 585, 624, 640, 720, 768, 780, 789, 832, 936, 960, 1040, 1052, 1152, 1170, 1248, 1280, 1315, 1440, 1536, 1560, 1578, 1664, 1872, 1920, 2080, 2104, 2304, 2340, 2367, 2496, 2560, 2630, 2880, 3120, 3156, 3328, 3419, 3744, 3840, 3945, 4160, 4208, 4608, 4680, 4734, 4992, 5260, 5760, 6240, 6312, 6656, 6838, 7488, 7680, 7890, 8320, 8416, 9360, 9468, 9984, 10257, 10520, 11520, 11835, 12480, 12624, 13676, 14976, 15780, 16640, 16832, 17095, 18720, 18936, 19968, 20514, 21040, 23040, 23670, 24960, 25248, 27352, 29952, 30771, 31560, 33280, 33664, 34190, 37440, 37872, 41028, 42080, 47340, 49920, 50496, 51285, 54704, 59904, 61542, 63120, 67328, 68380, 74880, 75744, 82056, 84160, 94680, 99840, 100992, 102570, 109408, 123084, 126240, 134656, 136760, 149760, 151488, 153855, 164112, 168320, 189360, 201984, 205140, 218816, 246168, 252480, 273520, 299520, 302976, 307710, 328224, 336640, 378720, 403968, 410280, 437632, 492336, 504960, 547040, 605952, 615420, 656448, 673280, 757440, 820560, 875264, 984672, 1009920, 1094080, 1211904, 1230840, 1312896, 1514880, 1641120, 1750528, 1969344, 2019840, 2188160, 2461680, 2625792, 3029760, 3282240, 3938688, 4376320, 4923360, 5251584, 6059520, 6564480, 7877376, 8752640, 9846720, 13128960, 15754752, 19693440, 26257920, 39386880, 78773760]

約数ペア:

[(1, 78773760), (2, 39386880), (3, 26257920), (4, 19693440), (5, 15754752), (6, 13128960), (8, 9846720), (9, 8752640), (10, 7877376), (12, 6564480), (13, 6059520), (15, 5251584), (16, 4923360), (18, 4376320), (20, 3938688), (24, 3282240), (26, 3029760), (30, 2625792), (32, 2461680), (36, 2188160), (39, 2019840), (40, 1969344), (45, 1750528), (48, 1641120), (52, 1514880), (60, 1312896), (64, 1230840), (65, 1211904), (72, 1094080), (78, 1009920), (80, 984672), (90, 875264), (96, 820560), (104, 757440), (117, 673280), (120, 656448), (128, 615420), (130, 605952), (144, 547040), (156, 504960), (160, 492336), (180, 437632), (192, 410280), (195, 403968), (208, 378720), (234, 336640), (240, 328224), (256, 307710), (260, 302976), (263, 299520), (288, 273520), (312, 252480), (320, 246168), (360, 218816), (384, 205140), (390, 201984), (416, 189360), (468, 168320), (480, 164112), (512, 153855), (520, 151488), (526, 149760), (576, 136760), (585, 134656), (624, 126240), (640, 123084), (720, 109408), (768, 102570), (780, 100992), (789, 99840), (832, 94680), (936, 84160), (960, 82056), (1040, 75744), (1052, 74880), (1152, 68380), (1170, 67328), (1248, 63120), (1280, 61542), (1315, 59904), (1440, 54704), (1536, 51285), (1560, 50496), (1578, 49920), (1664, 47340), (1872, 42080), (1920, 41028), (2080, 37872), (2104, 37440), (2304, 34190), (2340, 33664), (2367, 33280), (2496, 31560), (2560, 30771), (2630, 29952), (2880, 27352), (3120, 25248), (3156, 24960), (3328, 23670), (3419, 23040), (3744, 21040), (3840, 20514), (3945, 19968), (4160, 18936), (4208, 18720), (4608, 17095), (4680, 16832), (4734, 16640), (4992, 15780), (5260, 14976), (5760, 13676), (6240, 12624), (6312, 12480), (6656, 11835), (6838, 11520), (7488, 10520), (7680, 10257), (7890, 9984), (8320, 9468), (8416, 9360)]