217347840

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 288

約数和(自身を含む): 814329600

約数和(自身を除く): 596981760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 331, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 662, 684, 720, 760, 768, 855, 864, 912, 960, 993, 1026, 1080, 1140, 1152, 1216, 1280, 1324, 1368, 1440, 1520, 1655, 1710, 1728, 1824, 1920, 1986, 2052, 2160, 2280, 2304, 2432, 2565, 2648, 2736, 2880, 2979, 3040, 3310, 3420, 3456, 3648, 3840, 3972, 4104, 4320, 4560, 4864, 4965, 5130, 5296, 5472, 5760, 5958, 6080, 6289, 6620, 6840, 6912, 7296, 7944, 8208, 8640, 8937, 9120, 9930, 10260, 10592, 10944, 11520, 11916, 12160, 12578, 13240, 13680, 14592, 14895, 15888, 16416, 17280, 17874, 18240, 18867, 19860, 20520, 21184, 21888, 23832, 24320, 25156, 26480, 27360, 29790, 31445, 31776, 32832, 34560, 35748, 36480, 37734, 39720, 41040, 42368, 43776, 44685, 47664, 50312, 52960, 54720, 56601, 59580, 62890, 63552, 65664, 71496, 72960, 75468, 79440, 82080, 84736, 89370, 94335, 95328, 100624, 105920, 109440, 113202, 119160, 125780, 127104, 131328, 142992, 150936, 158880, 164160, 169803, 178740, 188670, 190656, 201248, 211840, 218880, 226404, 238320, 251560, 254208, 283005, 285984, 301872, 317760, 328320, 339606, 357480, 377340, 381312, 402496, 423680, 452808, 476640, 503120, 566010, 571968, 603744, 635520, 656640, 679212, 714960, 754680, 762624, 804992, 849015, 905616, 953280, 1006240, 1132020, 1143936, 1207488, 1271040, 1358424, 1429920, 1509360, 1609984, 1698030, 1811232, 1906560, 2012480, 2264040, 2287872, 2414976, 2716848, 2859840, 3018720, 3396060, 3622464, 3813120, 4024960, 4528080, 4829952, 5433696, 5719680, 6037440, 6792120, 7244928, 8049920, 9056160, 10867392, 11439360, 12074880, 13584240, 14489856, 18112320, 21734784, 24149760, 27168480, 36224640, 43469568, 54336960, 72449280, 108673920, 217347840]

約数ペア:

[(1, 217347840), (2, 108673920), (3, 72449280), (4, 54336960), (5, 43469568), (6, 36224640), (8, 27168480), (9, 24149760), (10, 21734784), (12, 18112320), (15, 14489856), (16, 13584240), (18, 12074880), (19, 11439360), (20, 10867392), (24, 9056160), (27, 8049920), (30, 7244928), (32, 6792120), (36, 6037440), (38, 5719680), (40, 5433696), (45, 4829952), (48, 4528080), (54, 4024960), (57, 3813120), (60, 3622464), (64, 3396060), (72, 3018720), (76, 2859840), (80, 2716848), (90, 2414976), (95, 2287872), (96, 2264040), (108, 2012480), (114, 1906560), (120, 1811232), (128, 1698030), (135, 1609984), (144, 1509360), (152, 1429920), (160, 1358424), (171, 1271040), (180, 1207488), (190, 1143936), (192, 1132020), (216, 1006240), (228, 953280), (240, 905616), (256, 849015), (270, 804992), (285, 762624), (288, 754680), (304, 714960), (320, 679212), (331, 656640), (342, 635520), (360, 603744), (380, 571968), (384, 566010), (432, 503120), (456, 476640), (480, 452808), (513, 423680), (540, 402496), (570, 381312), (576, 377340), (608, 357480), (640, 339606), (662, 328320), (684, 317760), (720, 301872), (760, 285984), (768, 283005), (855, 254208), (864, 251560), (912, 238320), (960, 226404), (993, 218880), (1026, 211840), (1080, 201248), (1140, 190656), (1152, 188670), (1216, 178740), (1280, 169803), (1324, 164160), (1368, 158880), (1440, 150936), (1520, 142992), (1655, 131328), (1710, 127104), (1728, 125780), (1824, 119160), (1920, 113202), (1986, 109440), (2052, 105920), (2160, 100624), (2280, 95328), (2304, 94335), (2432, 89370), (2565, 84736), (2648, 82080), (2736, 79440), (2880, 75468), (2979, 72960), (3040, 71496), (3310, 65664), (3420, 63552), (3456, 62890), (3648, 59580), (3840, 56601), (3972, 54720), (4104, 52960), (4320, 50312), (4560, 47664), (4864, 44685), (4965, 43776), (5130, 42368), (5296, 41040), (5472, 39720), (5760, 37734), (5958, 36480), (6080, 35748), (6289, 34560), (6620, 32832), (6840, 31776), (6912, 31445), (7296, 29790), (7944, 27360), (8208, 26480), (8640, 25156), (8937, 24320), (9120, 23832), (9930, 21888), (10260, 21184), (10592, 20520), (10944, 19860), (11520, 18867), (11916, 18240), (12160, 17874), (12578, 17280), (13240, 16416), (13680, 15888), (14592, 14895)]