20529688320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3121}}^1$

素因数の和:3719

約数の個数: 216

約数和(自身を含む): 71177778672

約数和(自身を除く): 50648090352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 571, 576, 640, 720, 768, 960, 1142, 1152, 1280, 1440, 1713, 1920, 2284, 2304, 2855, 2880, 3121, 3426, 3840, 4568, 5139, 5710, 5760, 6242, 6852, 8565, 9136, 9363, 10278, 11420, 11520, 12484, 13704, 15605, 17130, 18272, 18726, 20556, 22840, 24968, 25695, 27408, 28089, 31210, 34260, 36544, 37452, 41112, 45680, 46815, 49936, 51390, 54816, 56178, 62420, 68520, 73088, 74904, 82224, 91360, 93630, 99872, 102780, 109632, 112356, 124840, 137040, 140445, 146176, 149808, 164448, 182720, 187260, 199744, 205560, 219264, 224712, 249680, 274080, 280890, 299616, 328896, 365440, 374520, 399488, 411120, 438528, 449424, 499360, 548160, 561780, 599232, 657792, 730880, 749040, 798976, 822240, 898848, 998720, 1096320, 1123560, 1198464, 1315584, 1498080, 1644480, 1782091, 1797696, 1997440, 2192640, 2247120, 2396928, 2996160, 3288960, 3564182, 3595392, 3994880, 4494240, 5346273, 5992320, 6577920, 7128364, 7190784, 8910455, 8988480, 10692546, 11984640, 14256728, 16038819, 17820910, 17976960, 21385092, 26731365, 28513456, 32077638, 35641820, 35953920, 42770184, 53462730, 57026912, 64155276, 71283640, 80194095, 85540368, 106925460, 114053824, 128310552, 142567280, 160388190, 171080736, 213850920, 228107648, 256621104, 285134560, 320776380, 342161472, 427701840, 456215296, 513242208, 570269120, 641552760, 684322944, 855403680, 1026484416, 1140538240, 1283105520, 1368645888, 1710807360, 2052968832, 2281076480, 2566211040, 3421614720, 4105937664, 5132422080, 6843229440, 10264844160, 20529688320]

約数ペア:

[(1, 20529688320), (2, 10264844160), (3, 6843229440), (4, 5132422080), (5, 4105937664), (6, 3421614720), (8, 2566211040), (9, 2281076480), (10, 2052968832), (12, 1710807360), (15, 1368645888), (16, 1283105520), (18, 1140538240), (20, 1026484416), (24, 855403680), (30, 684322944), (32, 641552760), (36, 570269120), (40, 513242208), (45, 456215296), (48, 427701840), (60, 342161472), (64, 320776380), (72, 285134560), (80, 256621104), (90, 228107648), (96, 213850920), (120, 171080736), (128, 160388190), (144, 142567280), (160, 128310552), (180, 114053824), (192, 106925460), (240, 85540368), (256, 80194095), (288, 71283640), (320, 64155276), (360, 57026912), (384, 53462730), (480, 42770184), (571, 35953920), (576, 35641820), (640, 32077638), (720, 28513456), (768, 26731365), (960, 21385092), (1142, 17976960), (1152, 17820910), (1280, 16038819), (1440, 14256728), (1713, 11984640), (1920, 10692546), (2284, 8988480), (2304, 8910455), (2855, 7190784), (2880, 7128364), (3121, 6577920), (3426, 5992320), (3840, 5346273), (4568, 4494240), (5139, 3994880), (5710, 3595392), (5760, 3564182), (6242, 3288960), (6852, 2996160), (8565, 2396928), (9136, 2247120), (9363, 2192640), (10278, 1997440), (11420, 1797696), (11520, 1782091), (12484, 1644480), (13704, 1498080), (15605, 1315584), (17130, 1198464), (18272, 1123560), (18726, 1096320), (20556, 998720), (22840, 898848), (24968, 822240), (25695, 798976), (27408, 749040), (28089, 730880), (31210, 657792), (34260, 599232), (36544, 561780), (37452, 548160), (41112, 499360), (45680, 449424), (46815, 438528), (49936, 411120), (51390, 399488), (54816, 374520), (56178, 365440), (62420, 328896), (68520, 299616), (73088, 280890), (74904, 274080), (82224, 249680), (91360, 224712), (93630, 219264), (99872, 205560), (102780, 199744), (109632, 187260), (112356, 182720), (124840, 164448), (137040, 149808), (140445, 146176)]