205908480

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{331}}^1$

素因数の和:369

約数の個数: 240

約数和(自身を含む): 741765024

約数和(自身を除く): 535856544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 331, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 662, 720, 768, 810, 864, 960, 972, 993, 1080, 1152, 1215, 1280, 1296, 1324, 1440, 1536, 1620, 1655, 1728, 1920, 1944, 1986, 2160, 2304, 2430, 2560, 2592, 2648, 2880, 2979, 3240, 3310, 3456, 3840, 3888, 3972, 4320, 4608, 4860, 4965, 5184, 5296, 5760, 5958, 6480, 6620, 6912, 7680, 7776, 7944, 8640, 8937, 9720, 9930, 10368, 10592, 11520, 11916, 12960, 13240, 13824, 14895, 15552, 15888, 17280, 17874, 19440, 19860, 20736, 21184, 23040, 23832, 25920, 26480, 26811, 29790, 31104, 31776, 34560, 35748, 38880, 39720, 41472, 42368, 44685, 47664, 51840, 52960, 53622, 59580, 62208, 63552, 69120, 71496, 77760, 79440, 80433, 84736, 89370, 95328, 103680, 105920, 107244, 119160, 124416, 127104, 134055, 142992, 155520, 158880, 160866, 169472, 178740, 190656, 207360, 211840, 214488, 238320, 254208, 268110, 285984, 311040, 317760, 321732, 357480, 381312, 402165, 423680, 428976, 476640, 508416, 536220, 571968, 622080, 635520, 643464, 714960, 762624, 804330, 847360, 857952, 953280, 1072440, 1143936, 1271040, 1286928, 1429920, 1525248, 1608660, 1715904, 1906560, 2144880, 2287872, 2542080, 2573856, 2859840, 3217320, 3431808, 3813120, 4289760, 4575744, 5147712, 5719680, 6434640, 6863616, 7626240, 8579520, 10295424, 11439360, 12869280, 13727232, 17159040, 20590848, 22878720, 25738560, 34318080, 41181696, 51477120, 68636160, 102954240, 205908480]

約数ペア:

[(1, 205908480), (2, 102954240), (3, 68636160), (4, 51477120), (5, 41181696), (6, 34318080), (8, 25738560), (9, 22878720), (10, 20590848), (12, 17159040), (15, 13727232), (16, 12869280), (18, 11439360), (20, 10295424), (24, 8579520), (27, 7626240), (30, 6863616), (32, 6434640), (36, 5719680), (40, 5147712), (45, 4575744), (48, 4289760), (54, 3813120), (60, 3431808), (64, 3217320), (72, 2859840), (80, 2573856), (81, 2542080), (90, 2287872), (96, 2144880), (108, 1906560), (120, 1715904), (128, 1608660), (135, 1525248), (144, 1429920), (160, 1286928), (162, 1271040), (180, 1143936), (192, 1072440), (216, 953280), (240, 857952), (243, 847360), (256, 804330), (270, 762624), (288, 714960), (320, 643464), (324, 635520), (331, 622080), (360, 571968), (384, 536220), (405, 508416), (432, 476640), (480, 428976), (486, 423680), (512, 402165), (540, 381312), (576, 357480), (640, 321732), (648, 317760), (662, 311040), (720, 285984), (768, 268110), (810, 254208), (864, 238320), (960, 214488), (972, 211840), (993, 207360), (1080, 190656), (1152, 178740), (1215, 169472), (1280, 160866), (1296, 158880), (1324, 155520), (1440, 142992), (1536, 134055), (1620, 127104), (1655, 124416), (1728, 119160), (1920, 107244), (1944, 105920), (1986, 103680), (2160, 95328), (2304, 89370), (2430, 84736), (2560, 80433), (2592, 79440), (2648, 77760), (2880, 71496), (2979, 69120), (3240, 63552), (3310, 62208), (3456, 59580), (3840, 53622), (3888, 52960), (3972, 51840), (4320, 47664), (4608, 44685), (4860, 42368), (4965, 41472), (5184, 39720), (5296, 38880), (5760, 35748), (5958, 34560), (6480, 31776), (6620, 31104), (6912, 29790), (7680, 26811), (7776, 26480), (7944, 25920), (8640, 23832), (8937, 23040), (9720, 21184), (9930, 20736), (10368, 19860), (10592, 19440), (11520, 17874), (11916, 17280), (12960, 15888), (13240, 15552), (13824, 14895)]