247345920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 288

約数和(自身を含む): 931573440

約数和(自身を除く): 684227520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 256, 270, 272, 288, 306, 320, 340, 360, 384, 408, 421, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 768, 816, 842, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1263, 1280, 1360, 1440, 1530, 1632, 1684, 1728, 1836, 1920, 2040, 2105, 2160, 2176, 2295, 2304, 2448, 2526, 2720, 2880, 3060, 3264, 3368, 3456, 3672, 3789, 3840, 4080, 4210, 4320, 4352, 4590, 4896, 5052, 5440, 5760, 6120, 6315, 6528, 6736, 6912, 7157, 7344, 7578, 8160, 8420, 8640, 9180, 9792, 10104, 10880, 11367, 11520, 12240, 12630, 13056, 13472, 14314, 14688, 15156, 16320, 16840, 17280, 18360, 18945, 19584, 20208, 21471, 21760, 22734, 24480, 25260, 26944, 28628, 29376, 30312, 32640, 33680, 34560, 35785, 36720, 37890, 39168, 40416, 42942, 45468, 48960, 50520, 53888, 56835, 57256, 58752, 60624, 64413, 65280, 67360, 71570, 73440, 75780, 80832, 85884, 90936, 97920, 101040, 107355, 107776, 113670, 114512, 117504, 121248, 128826, 134720, 143140, 146880, 151560, 161664, 171768, 181872, 193239, 195840, 202080, 214710, 227340, 229024, 242496, 257652, 269440, 286280, 293760, 303120, 322065, 323328, 343536, 363744, 386478, 404160, 429420, 454680, 458048, 484992, 515304, 538880, 572560, 587520, 606240, 644130, 687072, 727488, 772956, 808320, 858840, 909360, 916096, 966195, 969984, 1030608, 1145120, 1212480, 1288260, 1374144, 1454976, 1545912, 1616640, 1717680, 1818720, 1832192, 1932390, 2061216, 2290240, 2424960, 2576520, 2748288, 2909952, 3091824, 3435360, 3637440, 3864780, 4122432, 4580480, 4849920, 5153040, 5496576, 6183648, 6870720, 7274880, 7729560, 8244864, 9160960, 10306080, 12367296, 13741440, 14549760, 15459120, 16489728, 20612160, 24734592, 27482880, 30918240, 41224320, 49469184, 61836480, 82448640, 123672960, 247345920]

約数ペア:

[(1, 247345920), (2, 123672960), (3, 82448640), (4, 61836480), (5, 49469184), (6, 41224320), (8, 30918240), (9, 27482880), (10, 24734592), (12, 20612160), (15, 16489728), (16, 15459120), (17, 14549760), (18, 13741440), (20, 12367296), (24, 10306080), (27, 9160960), (30, 8244864), (32, 7729560), (34, 7274880), (36, 6870720), (40, 6183648), (45, 5496576), (48, 5153040), (51, 4849920), (54, 4580480), (60, 4122432), (64, 3864780), (68, 3637440), (72, 3435360), (80, 3091824), (85, 2909952), (90, 2748288), (96, 2576520), (102, 2424960), (108, 2290240), (120, 2061216), (128, 1932390), (135, 1832192), (136, 1818720), (144, 1717680), (153, 1616640), (160, 1545912), (170, 1454976), (180, 1374144), (192, 1288260), (204, 1212480), (216, 1145120), (240, 1030608), (255, 969984), (256, 966195), (270, 916096), (272, 909360), (288, 858840), (306, 808320), (320, 772956), (340, 727488), (360, 687072), (384, 644130), (408, 606240), (421, 587520), (432, 572560), (459, 538880), (480, 515304), (510, 484992), (540, 458048), (544, 454680), (576, 429420), (612, 404160), (640, 386478), (680, 363744), (720, 343536), (765, 323328), (768, 322065), (816, 303120), (842, 293760), (864, 286280), (918, 269440), (960, 257652), (1020, 242496), (1080, 229024), (1088, 227340), (1152, 214710), (1224, 202080), (1263, 195840), (1280, 193239), (1360, 181872), (1440, 171768), (1530, 161664), (1632, 151560), (1684, 146880), (1728, 143140), (1836, 134720), (1920, 128826), (2040, 121248), (2105, 117504), (2160, 114512), (2176, 113670), (2295, 107776), (2304, 107355), (2448, 101040), (2526, 97920), (2720, 90936), (2880, 85884), (3060, 80832), (3264, 75780), (3368, 73440), (3456, 71570), (3672, 67360), (3789, 65280), (3840, 64413), (4080, 60624), (4210, 58752), (4320, 57256), (4352, 56835), (4590, 53888), (4896, 50520), (5052, 48960), (5440, 45468), (5760, 42942), (6120, 40416), (6315, 39168), (6528, 37890), (6736, 36720), (6912, 35785), (7157, 34560), (7344, 33680), (7578, 32640), (8160, 30312), (8420, 29376), (8640, 28628), (9180, 26944), (9792, 25260), (10104, 24480), (10880, 22734), (11367, 21760), (11520, 21471), (12240, 20208), (12630, 19584), (13056, 18945), (13472, 18360), (14314, 17280), (14688, 16840), (15156, 16320)]