20785927680

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{359}}^2$

素因数の和:754

約数の個数: 360

約数和(自身を含む): 82501250832

約数和(自身を除く): 61715323152

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, 359, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 718, 720, 768, 840, 896, 960, 1008, 1077, 1120, 1152, 1260, 1280, 1344, 1436, 1440, 1536, 1680, 1792, 1795, 1920, 2016, 2154, 2240, 2304, 2513, 2520, 2560, 2688, 2872, 2880, 3231, 3360, 3584, 3590, 3840, 4032, 4308, 4480, 4608, 5026, 5040, 5376, 5385, 5744, 5760, 6462, 6720, 7180, 7539, 7680, 8064, 8616, 8960, 10052, 10080, 10752, 10770, 11488, 11520, 12565, 12924, 13440, 14360, 15078, 16128, 16155, 17232, 17920, 20104, 20160, 21540, 22617, 22976, 23040, 25130, 25848, 26880, 28720, 30156, 32256, 32310, 34464, 37695, 40208, 40320, 43080, 45234, 45952, 50260, 51696, 53760, 57440, 60312, 64620, 68928, 75390, 80416, 80640, 86160, 90468, 91904, 100520, 103392, 113085, 114880, 120624, 128881, 129240, 137856, 150780, 160832, 161280, 172320, 180936, 183808, 201040, 206784, 226170, 229760, 241248, 257762, 258480, 275712, 301560, 321664, 344640, 361872, 386643, 402080, 413568, 452340, 459520, 482496, 515524, 516960, 551424, 603120, 643328, 644405, 689280, 723744, 773286, 804160, 827136, 902167, 904680, 919040, 964992, 1031048, 1033920, 1159929, 1206240, 1286656, 1288810, 1378560, 1447488, 1546572, 1608320, 1654272, 1804334, 1809360, 1929984, 1933215, 2062096, 2067840, 2319858, 2412480, 2577620, 2706501, 2757120, 2894976, 3093144, 3216640, 3608668, 3618720, 3859968, 3866430, 4124192, 4135680, 4510835, 4639716, 4824960, 5155240, 5413002, 5789952, 5799645, 6186288, 6433280, 7217336, 7237440, 7732860, 8119503, 8248384, 8271360, 9021670, 9279432, 9649920, 10310480, 10826004, 11579904, 11599290, 12372576, 13532505, 14434672, 14474880, 15465720, 16239006, 16496768, 18043340, 18558864, 19299840, 20620960, 21652008, 23198580, 24745152, 27065010, 28869344, 28949760, 30931440, 32478012, 32993536, 36086680, 37117728, 40597515, 41241920, 43304016, 46397160, 49490304, 54130020, 57738688, 57899520, 61862880, 64956024, 65987072, 72173360, 74235456, 81195030, 82483840, 86608032, 92794320, 98980608, 108260040, 115477376, 123725760, 129912048, 144346720, 148470912, 162390060, 164967680, 173216064, 185588640, 197961216, 216520080, 230954752, 247451520, 259824096, 288693440, 296941824, 324780120, 329935360, 346432128, 371177280, 433040160, 461909504, 494903040, 519648192, 577386880, 593883648, 649560240, 692864256, 742354560, 866080320, 989806080, 1039296384, 1154773760, 1299120480, 1385728512, 1484709120, 1732160640, 2078592768, 2309547520, 2598240960, 2969418240, 3464321280, 4157185536, 5196481920, 6928642560, 10392963840, 20785927680]

約数ペア:

[(1, 20785927680), (2, 10392963840), (3, 6928642560), (4, 5196481920), (5, 4157185536), (6, 3464321280), (7, 2969418240), (8, 2598240960), (9, 2309547520), (10, 2078592768), (12, 1732160640), (14, 1484709120), (15, 1385728512), (16, 1299120480), (18, 1154773760), (20, 1039296384), (21, 989806080), (24, 866080320), (28, 742354560), (30, 692864256), (32, 649560240), (35, 593883648), (36, 577386880), (40, 519648192), (42, 494903040), (45, 461909504), (48, 433040160), (56, 371177280), (60, 346432128), (63, 329935360), (64, 324780120), (70, 296941824), (72, 288693440), (80, 259824096), (84, 247451520), (90, 230954752), (96, 216520080), (105, 197961216), (112, 185588640), (120, 173216064), (126, 164967680), (128, 162390060), (140, 148470912), (144, 144346720), (160, 129912048), (168, 123725760), (180, 115477376), (192, 108260040), (210, 98980608), (224, 92794320), (240, 86608032), (252, 82483840), (256, 81195030), (280, 74235456), (288, 72173360), (315, 65987072), (320, 64956024), (336, 61862880), (359, 57899520), (360, 57738688), (384, 54130020), (420, 49490304), (448, 46397160), (480, 43304016), (504, 41241920), (512, 40597515), (560, 37117728), (576, 36086680), (630, 32993536), (640, 32478012), (672, 30931440), (718, 28949760), (720, 28869344), (768, 27065010), (840, 24745152), (896, 23198580), (960, 21652008), (1008, 20620960), (1077, 19299840), (1120, 18558864), (1152, 18043340), (1260, 16496768), (1280, 16239006), (1344, 15465720), (1436, 14474880), (1440, 14434672), (1536, 13532505), (1680, 12372576), (1792, 11599290), (1795, 11579904), (1920, 10826004), (2016, 10310480), (2154, 9649920), (2240, 9279432), (2304, 9021670), (2513, 8271360), (2520, 8248384), (2560, 8119503), (2688, 7732860), (2872, 7237440), (2880, 7217336), (3231, 6433280), (3360, 6186288), (3584, 5799645), (3590, 5789952), (3840, 5413002), (4032, 5155240), (4308, 4824960), (4480, 4639716), (4608, 4510835), (5026, 4135680), (5040, 4124192), (5376, 3866430), (5385, 3859968), (5744, 3618720), (5760, 3608668), (6462, 3216640), (6720, 3093144), (7180, 2894976), (7539, 2757120), (7680, 2706501), (8064, 2577620), (8616, 2412480), (8960, 2319858), (10052, 2067840), (10080, 2062096), (10752, 1933215), (10770, 1929984), (11488, 1809360), (11520, 1804334), (12565, 1654272), (12924, 1608320), (13440, 1546572), (14360, 1447488), (15078, 1378560), (16128, 1288810), (16155, 1286656), (17232, 1206240), (17920, 1159929), (20104, 1033920), (20160, 1031048), (21540, 964992), (22617, 919040), (22976, 904680), (23040, 902167), (25130, 827136), (25848, 804160), (26880, 773286), (28720, 723744), (30156, 689280), (32256, 644405), (32310, 643328), (34464, 603120), (37695, 551424), (40208, 516960), (40320, 515524), (43080, 482496), (45234, 459520), (45952, 452340), (50260, 413568), (51696, 402080), (53760, 386643), (57440, 361872), (60312, 344640), (64620, 321664), (68928, 301560), (75390, 275712), (80416, 258480), (80640, 257762), (86160, 241248), (90468, 229760), (91904, 226170), (100520, 206784), (103392, 201040), (113085, 183808), (114880, 180936), (120624, 172320), (128881, 161280), (129240, 160832), (137856, 150780)]