204744960

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2573

約数の個数: 216

約数和(自身を含む): 809914560

約数和(自身を除く): 605169600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2539, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5078, 5376, 5760, 6720, 7617, 8064, 8960, 10080, 10156, 11520, 12695, 13440, 15234, 16128, 17773, 20160, 20312, 22851, 25390, 26880, 30468, 35546, 38085, 40320, 40624, 45702, 50780, 53319, 60936, 71092, 76170, 80640, 81248, 88865, 91404, 101560, 106638, 114255, 121872, 142184, 152340, 159957, 162496, 177730, 182808, 203120, 213276, 228510, 243744, 266595, 284368, 304680, 319914, 324992, 355460, 365616, 406240, 426552, 457020, 487488, 533190, 568736, 609360, 639828, 649984, 710920, 731232, 799785, 812480, 853104, 914040, 974976, 1066380, 1137472, 1218720, 1279656, 1421840, 1462464, 1599570, 1624960, 1706208, 1828080, 1949952, 2132760, 2274944, 2437440, 2559312, 2843680, 2924928, 3199140, 3249920, 3412416, 3656160, 4265520, 4549888, 4874880, 5118624, 5687360, 5849856, 6398280, 6824832, 7312320, 8531040, 9749760, 10237248, 11374720, 12796560, 13649664, 14624640, 17062080, 20474496, 22749440, 25593120, 29249280, 34124160, 40948992, 51186240, 68248320, 102372480, 204744960]

約数ペア:

[(1, 204744960), (2, 102372480), (3, 68248320), (4, 51186240), (5, 40948992), (6, 34124160), (7, 29249280), (8, 25593120), (9, 22749440), (10, 20474496), (12, 17062080), (14, 14624640), (15, 13649664), (16, 12796560), (18, 11374720), (20, 10237248), (21, 9749760), (24, 8531040), (28, 7312320), (30, 6824832), (32, 6398280), (35, 5849856), (36, 5687360), (40, 5118624), (42, 4874880), (45, 4549888), (48, 4265520), (56, 3656160), (60, 3412416), (63, 3249920), (64, 3199140), (70, 2924928), (72, 2843680), (80, 2559312), (84, 2437440), (90, 2274944), (96, 2132760), (105, 1949952), (112, 1828080), (120, 1706208), (126, 1624960), (128, 1599570), (140, 1462464), (144, 1421840), (160, 1279656), (168, 1218720), (180, 1137472), (192, 1066380), (210, 974976), (224, 914040), (240, 853104), (252, 812480), (256, 799785), (280, 731232), (288, 710920), (315, 649984), (320, 639828), (336, 609360), (360, 568736), (384, 533190), (420, 487488), (448, 457020), (480, 426552), (504, 406240), (560, 365616), (576, 355460), (630, 324992), (640, 319914), (672, 304680), (720, 284368), (768, 266595), (840, 243744), (896, 228510), (960, 213276), (1008, 203120), (1120, 182808), (1152, 177730), (1260, 162496), (1280, 159957), (1344, 152340), (1440, 142184), (1680, 121872), (1792, 114255), (1920, 106638), (2016, 101560), (2240, 91404), (2304, 88865), (2520, 81248), (2539, 80640), (2688, 76170), (2880, 71092), (3360, 60936), (3840, 53319), (4032, 50780), (4480, 45702), (5040, 40624), (5078, 40320), (5376, 38085), (5760, 35546), (6720, 30468), (7617, 26880), (8064, 25390), (8960, 22851), (10080, 20312), (10156, 20160), (11520, 17773), (12695, 16128), (13440, 15234)]