640570560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 448

約数和(自身を含む): 2545689600

約数和(自身を除く): 1905119040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 29, 30, 32, 35, 38, 40, 42, 48, 56, 57, 58, 60, 64, 70, 76, 80, 84, 87, 95, 96, 105, 112, 114, 116, 120, 133, 140, 145, 152, 160, 168, 173, 174, 190, 192, 203, 210, 224, 228, 232, 240, 266, 280, 285, 290, 304, 320, 336, 346, 348, 380, 399, 406, 420, 435, 448, 456, 464, 480, 519, 532, 551, 560, 570, 580, 608, 609, 665, 672, 692, 696, 760, 798, 812, 840, 865, 870, 912, 928, 960, 1015, 1038, 1064, 1102, 1120, 1140, 1160, 1211, 1216, 1218, 1330, 1344, 1384, 1392, 1520, 1596, 1624, 1653, 1680, 1730, 1740, 1824, 1856, 1995, 2030, 2076, 2128, 2204, 2240, 2280, 2320, 2422, 2436, 2595, 2660, 2755, 2768, 2784, 3040, 3045, 3192, 3248, 3287, 3306, 3360, 3460, 3480, 3633, 3648, 3857, 3990, 4060, 4152, 4256, 4408, 4560, 4640, 4844, 4872, 5017, 5190, 5320, 5510, 5536, 5568, 6055, 6080, 6090, 6384, 6496, 6574, 6612, 6720, 6920, 6960, 7266, 7714, 7980, 8120, 8265, 8304, 8512, 8816, 9120, 9280, 9688, 9744, 9861, 10034, 10380, 10640, 11020, 11072, 11571, 12110, 12180, 12768, 12992, 13148, 13224, 13840, 13920, 14532, 15051, 15428, 15960, 16240, 16435, 16530, 16608, 17632, 18165, 18240, 19285, 19376, 19488, 19722, 20068, 20760, 21280, 22040, 23009, 23142, 24220, 24360, 25085, 25536, 26296, 26448, 27680, 27840, 29064, 30102, 30856, 31920, 32480, 32870, 33060, 33216, 35119, 35264, 36330, 38570, 38752, 38976, 39444, 40136, 41520, 42560, 44080, 46018, 46284, 48440, 48720, 49305, 50170, 52592, 52896, 55360, 57855, 58128, 60204, 61712, 63840, 64960, 65740, 66120, 69027, 70238, 72660, 75255, 77140, 77504, 78888, 80272, 83040, 88160, 92036, 92568, 95323, 96880, 97440, 98610, 100340, 105184, 105357, 105792, 115045, 115710, 116256, 120408, 123424, 127680, 131480, 132240, 138054, 140476, 145320, 150510, 154280, 157776, 160544, 166080, 175595, 176320, 184072, 185136, 190646, 193760, 194880, 197220, 200680, 210368, 210714, 230090, 231420, 232512, 240816, 246848, 262960, 264480, 276108, 280952, 285969, 290640, 301020, 308560, 315552, 321088, 345135, 351190, 368144, 370272, 381292, 387520, 394440, 401360, 421428, 460180, 462840, 476615, 481632, 525920, 526785, 528960, 552216, 561904, 571938, 581280, 602040, 617120, 631104, 667261, 690270, 702380, 736288, 740544, 762584, 788880, 802720, 842856, 920360, 925680, 953230, 963264, 1051840, 1053570, 1104432, 1123808, 1143876, 1162560, 1204080, 1234240, 1334522, 1380540, 1404760, 1429845, 1472576, 1525168, 1577760, 1605440, 1685712, 1840720, 1851360, 1906460, 2001783, 2107140, 2208864, 2247616, 2287752, 2408160, 2669044, 2761080, 2809520, 2859690, 3050336, 3155520, 3336305, 3371424, 3681440, 3702720, 3812920, 4003566, 4214280, 4417728, 4575504, 4816320, 5338088, 5522160, 5619040, 5719380, 6100672, 6672610, 6742848, 7362880, 7625840, 8007132, 8428560, 9151008, 10008915, 10676176, 11044320, 11238080, 11438760, 13345220, 15251680, 16014264, 16857120, 18302016, 20017830, 21352352, 22088640, 22877520, 26690440, 30503360, 32028528, 33714240, 40035660, 42704704, 45755040, 53380880, 64057056, 80071320, 91510080, 106761760, 128114112, 160142640, 213523520, 320285280, 640570560]

約数ペア:

[(1, 640570560), (2, 320285280), (3, 213523520), (4, 160142640), (5, 128114112), (6, 106761760), (7, 91510080), (8, 80071320), (10, 64057056), (12, 53380880), (14, 45755040), (15, 42704704), (16, 40035660), (19, 33714240), (20, 32028528), (21, 30503360), (24, 26690440), (28, 22877520), (29, 22088640), (30, 21352352), (32, 20017830), (35, 18302016), (38, 16857120), (40, 16014264), (42, 15251680), (48, 13345220), (56, 11438760), (57, 11238080), (58, 11044320), (60, 10676176), (64, 10008915), (70, 9151008), (76, 8428560), (80, 8007132), (84, 7625840), (87, 7362880), (95, 6742848), (96, 6672610), (105, 6100672), (112, 5719380), (114, 5619040), (116, 5522160), (120, 5338088), (133, 4816320), (140, 4575504), (145, 4417728), (152, 4214280), (160, 4003566), (168, 3812920), (173, 3702720), (174, 3681440), (190, 3371424), (192, 3336305), (203, 3155520), (210, 3050336), (224, 2859690), (228, 2809520), (232, 2761080), (240, 2669044), (266, 2408160), (280, 2287752), (285, 2247616), (290, 2208864), (304, 2107140), (320, 2001783), (336, 1906460), (346, 1851360), (348, 1840720), (380, 1685712), (399, 1605440), (406, 1577760), (420, 1525168), (435, 1472576), (448, 1429845), (456, 1404760), (464, 1380540), (480, 1334522), (519, 1234240), (532, 1204080), (551, 1162560), (560, 1143876), (570, 1123808), (580, 1104432), (608, 1053570), (609, 1051840), (665, 963264), (672, 953230), (692, 925680), (696, 920360), (760, 842856), (798, 802720), (812, 788880), (840, 762584), (865, 740544), (870, 736288), (912, 702380), (928, 690270), (960, 667261), (1015, 631104), (1038, 617120), (1064, 602040), (1102, 581280), (1120, 571938), (1140, 561904), (1160, 552216), (1211, 528960), (1216, 526785), (1218, 525920), (1330, 481632), (1344, 476615), (1384, 462840), (1392, 460180), (1520, 421428), (1596, 401360), (1624, 394440), (1653, 387520), (1680, 381292), (1730, 370272), (1740, 368144), (1824, 351190), (1856, 345135), (1995, 321088), (2030, 315552), (2076, 308560), (2128, 301020), (2204, 290640), (2240, 285969), (2280, 280952), (2320, 276108), (2422, 264480), (2436, 262960), (2595, 246848), (2660, 240816), (2755, 232512), (2768, 231420), (2784, 230090), (3040, 210714), (3045, 210368), (3192, 200680), (3248, 197220), (3287, 194880), (3306, 193760), (3360, 190646), (3460, 185136), (3480, 184072), (3633, 176320), (3648, 175595), (3857, 166080), (3990, 160544), (4060, 157776), (4152, 154280), (4256, 150510), (4408, 145320), (4560, 140476), (4640, 138054), (4844, 132240), (4872, 131480), (5017, 127680), (5190, 123424), (5320, 120408), (5510, 116256), (5536, 115710), (5568, 115045), (6055, 105792), (6080, 105357), (6090, 105184), (6384, 100340), (6496, 98610), (6574, 97440), (6612, 96880), (6720, 95323), (6920, 92568), (6960, 92036), (7266, 88160), (7714, 83040), (7980, 80272), (8120, 78888), (8265, 77504), (8304, 77140), (8512, 75255), (8816, 72660), (9120, 70238), (9280, 69027), (9688, 66120), (9744, 65740), (9861, 64960), (10034, 63840), (10380, 61712), (10640, 60204), (11020, 58128), (11072, 57855), (11571, 55360), (12110, 52896), (12180, 52592), (12768, 50170), (12992, 49305), (13148, 48720), (13224, 48440), (13840, 46284), (13920, 46018), (14532, 44080), (15051, 42560), (15428, 41520), (15960, 40136), (16240, 39444), (16435, 38976), (16530, 38752), (16608, 38570), (17632, 36330), (18165, 35264), (18240, 35119), (19285, 33216), (19376, 33060), (19488, 32870), (19722, 32480), (20068, 31920), (20760, 30856), (21280, 30102), (22040, 29064), (23009, 27840), (23142, 27680), (24220, 26448), (24360, 26296), (25085, 25536)]