20826743040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3623}}^1$

素因数の和:4149

約数の個数: 216

約数和(自身を含む): 72222696000

約数和(自身を除く): 51395952960

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, 499, 576, 640, 720, 768, 960, 998, 1152, 1280, 1440, 1497, 1920, 1996, 2304, 2495, 2880, 2994, 3623, 3840, 3992, 4491, 4990, 5760, 5988, 7246, 7485, 7984, 8982, 9980, 10869, 11520, 11976, 14492, 14970, 15968, 17964, 18115, 19960, 21738, 22455, 23952, 28984, 29940, 31936, 32607, 35928, 36230, 39920, 43476, 44910, 47904, 54345, 57968, 59880, 63872, 65214, 71856, 72460, 79840, 86952, 89820, 95808, 108690, 115936, 119760, 127744, 130428, 143712, 144920, 159680, 163035, 173904, 179640, 191616, 217380, 231872, 239520, 260856, 287424, 289840, 319360, 326070, 347808, 359280, 383232, 434760, 463744, 479040, 521712, 574848, 579680, 638720, 652140, 695616, 718560, 869520, 927488, 958080, 1043424, 1149696, 1159360, 1304280, 1391232, 1437120, 1739040, 1807877, 1916160, 2086848, 2318720, 2608560, 2782464, 2874240, 3478080, 3615754, 4173696, 4637440, 5217120, 5423631, 5748480, 6956160, 7231508, 8347392, 9039385, 10434240, 10847262, 13912320, 14463016, 16270893, 18078770, 20868480, 21694524, 27118155, 28926032, 32541786, 36157540, 41736960, 43389048, 54236310, 57852064, 65083572, 72315080, 81354465, 86778096, 108472620, 115704128, 130167144, 144630160, 162708930, 173556192, 216945240, 231408256, 260334288, 289260320, 325417860, 347112384, 433890480, 462816512, 520668576, 578520640, 650835720, 694224768, 867780960, 1041337152, 1157041280, 1301671440, 1388449536, 1735561920, 2082674304, 2314082560, 2603342880, 3471123840, 4165348608, 5206685760, 6942247680, 10413371520, 20826743040]

約数ペア:

[(1, 20826743040), (2, 10413371520), (3, 6942247680), (4, 5206685760), (5, 4165348608), (6, 3471123840), (8, 2603342880), (9, 2314082560), (10, 2082674304), (12, 1735561920), (15, 1388449536), (16, 1301671440), (18, 1157041280), (20, 1041337152), (24, 867780960), (30, 694224768), (32, 650835720), (36, 578520640), (40, 520668576), (45, 462816512), (48, 433890480), (60, 347112384), (64, 325417860), (72, 289260320), (80, 260334288), (90, 231408256), (96, 216945240), (120, 173556192), (128, 162708930), (144, 144630160), (160, 130167144), (180, 115704128), (192, 108472620), (240, 86778096), (256, 81354465), (288, 72315080), (320, 65083572), (360, 57852064), (384, 54236310), (480, 43389048), (499, 41736960), (576, 36157540), (640, 32541786), (720, 28926032), (768, 27118155), (960, 21694524), (998, 20868480), (1152, 18078770), (1280, 16270893), (1440, 14463016), (1497, 13912320), (1920, 10847262), (1996, 10434240), (2304, 9039385), (2495, 8347392), (2880, 7231508), (2994, 6956160), (3623, 5748480), (3840, 5423631), (3992, 5217120), (4491, 4637440), (4990, 4173696), (5760, 3615754), (5988, 3478080), (7246, 2874240), (7485, 2782464), (7984, 2608560), (8982, 2318720), (9980, 2086848), (10869, 1916160), (11520, 1807877), (11976, 1739040), (14492, 1437120), (14970, 1391232), (15968, 1304280), (17964, 1159360), (18115, 1149696), (19960, 1043424), (21738, 958080), (22455, 927488), (23952, 869520), (28984, 718560), (29940, 695616), (31936, 652140), (32607, 638720), (35928, 579680), (36230, 574848), (39920, 521712), (43476, 479040), (44910, 463744), (47904, 434760), (54345, 383232), (57968, 359280), (59880, 347808), (63872, 326070), (65214, 319360), (71856, 289840), (72460, 287424), (79840, 260856), (86952, 239520), (89820, 231872), (95808, 217380), (108690, 191616), (115936, 179640), (119760, 173904), (127744, 163035), (130428, 159680), (143712, 144920)]