647838720

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:875

約数の個数: 264

約数和(自身を含む): 2379662064

約数和(自身を除く): 1731823344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 827, 960, 1020, 1024, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1654, 1920, 2040, 2176, 2304, 2448, 2481, 2560, 2720, 2880, 3060, 3072, 3264, 3308, 3840, 4080, 4135, 4352, 4608, 4896, 4962, 5120, 5440, 5760, 6120, 6528, 6616, 7443, 7680, 8160, 8270, 8704, 9216, 9792, 9924, 10880, 11520, 12240, 12405, 13056, 13232, 14059, 14886, 15360, 16320, 16540, 17408, 19584, 19848, 21760, 23040, 24480, 24810, 26112, 26464, 28118, 29772, 32640, 33080, 37215, 39168, 39696, 42177, 43520, 46080, 48960, 49620, 52224, 52928, 56236, 59544, 65280, 66160, 70295, 74430, 78336, 79392, 84354, 87040, 97920, 99240, 105856, 112472, 119088, 126531, 130560, 132320, 140590, 148860, 156672, 158784, 168708, 195840, 198480, 210885, 211712, 224944, 238176, 253062, 261120, 264640, 281180, 297720, 317568, 337416, 391680, 396960, 421770, 423424, 449888, 476352, 506124, 529280, 562360, 595440, 632655, 635136, 674832, 783360, 793920, 843540, 846848, 899776, 952704, 1012248, 1058560, 1124720, 1190880, 1265310, 1270272, 1349664, 1587840, 1687080, 1799552, 1905408, 2024496, 2117120, 2249440, 2381760, 2530620, 2540544, 2699328, 3175680, 3374160, 3599104, 3810816, 4048992, 4234240, 4498880, 4763520, 5061240, 5398656, 6351360, 6748320, 7198208, 7621632, 8097984, 8997760, 9527040, 10122480, 10797312, 12702720, 13496640, 14396416, 16195968, 17995520, 19054080, 20244960, 21594624, 26993280, 32391936, 35991040, 38108160, 40489920, 43189248, 53986560, 64783872, 71982080, 80979840, 107973120, 129567744, 161959680, 215946240, 323919360, 647838720]

約数ペア:

[(1, 647838720), (2, 323919360), (3, 215946240), (4, 161959680), (5, 129567744), (6, 107973120), (8, 80979840), (9, 71982080), (10, 64783872), (12, 53986560), (15, 43189248), (16, 40489920), (17, 38108160), (18, 35991040), (20, 32391936), (24, 26993280), (30, 21594624), (32, 20244960), (34, 19054080), (36, 17995520), (40, 16195968), (45, 14396416), (48, 13496640), (51, 12702720), (60, 10797312), (64, 10122480), (68, 9527040), (72, 8997760), (80, 8097984), (85, 7621632), (90, 7198208), (96, 6748320), (102, 6351360), (120, 5398656), (128, 5061240), (136, 4763520), (144, 4498880), (153, 4234240), (160, 4048992), (170, 3810816), (180, 3599104), (192, 3374160), (204, 3175680), (240, 2699328), (255, 2540544), (256, 2530620), (272, 2381760), (288, 2249440), (306, 2117120), (320, 2024496), (340, 1905408), (360, 1799552), (384, 1687080), (408, 1587840), (480, 1349664), (510, 1270272), (512, 1265310), (544, 1190880), (576, 1124720), (612, 1058560), (640, 1012248), (680, 952704), (720, 899776), (765, 846848), (768, 843540), (816, 793920), (827, 783360), (960, 674832), (1020, 635136), (1024, 632655), (1088, 595440), (1152, 562360), (1224, 529280), (1280, 506124), (1360, 476352), (1440, 449888), (1530, 423424), (1536, 421770), (1632, 396960), (1654, 391680), (1920, 337416), (2040, 317568), (2176, 297720), (2304, 281180), (2448, 264640), (2481, 261120), (2560, 253062), (2720, 238176), (2880, 224944), (3060, 211712), (3072, 210885), (3264, 198480), (3308, 195840), (3840, 168708), (4080, 158784), (4135, 156672), (4352, 148860), (4608, 140590), (4896, 132320), (4962, 130560), (5120, 126531), (5440, 119088), (5760, 112472), (6120, 105856), (6528, 99240), (6616, 97920), (7443, 87040), (7680, 84354), (8160, 79392), (8270, 78336), (8704, 74430), (9216, 70295), (9792, 66160), (9924, 65280), (10880, 59544), (11520, 56236), (12240, 52928), (12405, 52224), (13056, 49620), (13232, 48960), (14059, 46080), (14886, 43520), (15360, 42177), (16320, 39696), (16540, 39168), (17408, 37215), (19584, 33080), (19848, 32640), (21760, 29772), (23040, 28118), (24480, 26464), (24810, 26112)]