20720085120

素因数分解:

$2^7\times 3^5\times 5^1\times 7^2\times {\mathrm{2719}}^1$

素因数の和:2767

約数の個数: 576

約数和(自身を含む): 86344876800

約数和(自身を除く): 65624791680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 128, 135, 140, 144, 147, 160, 162, 168, 180, 189, 192, 196, 210, 216, 224, 240, 243, 245, 252, 270, 280, 288, 294, 315, 320, 324, 336, 360, 378, 384, 392, 405, 420, 432, 441, 448, 480, 486, 490, 504, 540, 560, 567, 576, 588, 630, 640, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 896, 945, 960, 972, 980, 1008, 1080, 1120, 1134, 1152, 1176, 1215, 1260, 1296, 1323, 1344, 1440, 1470, 1512, 1568, 1620, 1680, 1701, 1728, 1764, 1890, 1920, 1944, 1960, 2016, 2160, 2205, 2240, 2268, 2352, 2430, 2520, 2592, 2646, 2688, 2719, 2835, 2880, 2940, 3024, 3136, 3240, 3360, 3402, 3456, 3528, 3780, 3888, 3920, 3969, 4032, 4320, 4410, 4480, 4536, 4704, 4860, 5040, 5184, 5292, 5438, 5670, 5760, 5880, 6048, 6272, 6480, 6615, 6720, 6804, 7056, 7560, 7776, 7840, 7938, 8064, 8157, 8505, 8640, 8820, 9072, 9408, 9720, 10080, 10368, 10584, 10876, 11340, 11760, 11907, 12096, 12960, 13230, 13440, 13595, 13608, 14112, 15120, 15552, 15680, 15876, 16314, 17010, 17280, 17640, 18144, 18816, 19033, 19440, 19845, 20160, 21168, 21752, 22680, 23520, 23814, 24192, 24471, 25920, 26460, 27190, 27216, 28224, 30240, 31104, 31360, 31752, 32628, 34020, 35280, 36288, 38066, 38880, 39690, 40320, 40785, 42336, 43504, 45360, 47040, 47628, 48942, 51840, 52920, 54380, 54432, 56448, 57099, 59535, 60480, 63504, 65256, 68040, 70560, 72576, 73413, 76132, 77760, 79380, 81570, 84672, 87008, 90720, 94080, 95165, 95256, 97884, 105840, 108760, 108864, 114198, 119070, 120960, 122355, 127008, 130512, 133231, 136080, 141120, 146826, 152264, 155520, 158760, 163140, 169344, 171297, 174016, 181440, 190330, 190512, 195768, 211680, 217520, 217728, 220239, 228396, 238140, 244710, 254016, 261024, 266462, 272160, 282240, 285495, 293652, 304528, 317520, 326280, 342594, 348032, 362880, 367065, 380660, 381024, 391536, 399693, 423360, 435040, 440478, 456792, 476280, 489420, 508032, 513891, 522048, 532924, 544320, 570990, 587304, 609056, 635040, 652560, 660717, 666155, 685188, 734130, 761320, 762048, 783072, 799386, 846720, 856485, 870080, 880956, 913584, 952560, 978840, 1027782, 1044096, 1065848, 1088640, 1101195, 1141980, 1174608, 1199079, 1218112, 1270080, 1305120, 1321434, 1332310, 1370376, 1468260, 1522640, 1524096, 1541673, 1566144, 1598772, 1712970, 1740160, 1761912, 1827168, 1905120, 1957680, 1998465, 2055564, 2131696, 2202390, 2283960, 2349216, 2398158, 2436224, 2540160, 2569455, 2610240, 2642868, 2664620, 2740752, 2936520, 3045280, 3083346, 3132288, 3197544, 3303585, 3425940, 3523824, 3597237, 3654336, 3810240, 3915360, 3996930, 4111128, 4263392, 4404780, 4567920, 4625019, 4698432, 4796316, 5138910, 5220480, 5285736, 5329240, 5481504, 5873040, 5995395, 6090560, 6166692, 6395088, 6607170, 6851880, 7047648, 7194474, 7308672, 7620480, 7708365, 7830720, 7993860, 8222256, 8526784, 8809560, 9135840, 9250038, 9396864, 9592632, 10277820, 10571472, 10658480, 10791711, 10963008, 11746080, 11990790, 12181120, 12333384, 12790176, 13214340, 13703760, 14095296, 14388948, 15416730, 15661440, 15987720, 16444512, 17053568, 17619120, 17986185, 18271680, 18500076, 19185264, 20555640, 21142944, 21316960, 21583422, 21926016, 23125095, 23492160, 23981580, 24666768, 25580352, 26428680, 27407520, 28190592, 28777896, 30833460, 31975440, 32375133, 32889024, 35238240, 35972370, 36543360, 37000152, 38370528, 41111280, 42285888, 42633920, 43166844, 46250190, 46984320, 47963160, 49333536, 51160704, 52857360, 53958555, 54815040, 57555792, 61666920, 63950880, 64750266, 65778048, 70476480, 71944740, 74000304, 76741056, 82222560, 84571776, 85267840, 86333688, 92500380, 95926320, 98667072, 105714720, 107917110, 109630080, 115111584, 123333840, 127901760, 129500532, 140952960, 143889480, 148000608, 153482112, 161875665, 164445120, 172667376, 185000760, 191852640, 197334144, 211429440, 215834220, 230223168, 246667680, 255803520, 259001064, 287778960, 296001216, 323751330, 328890240, 345334752, 370001520, 383705280, 422858880, 431668440, 460446336, 493335360, 518002128, 575557920, 592002432, 647502660, 690669504, 740003040, 767410560, 863336880, 986670720, 1036004256, 1151115840, 1295005320, 1381339008, 1480006080, 1726673760, 2072008512, 2302231680, 2590010640, 2960012160, 3453347520, 4144017024, 5180021280, 6906695040, 10360042560, 20720085120]

約数ペア:

[(1, 20720085120), (2, 10360042560), (3, 6906695040), (4, 5180021280), (5, 4144017024), (6, 3453347520), (7, 2960012160), (8, 2590010640), (9, 2302231680), (10, 2072008512), (12, 1726673760), (14, 1480006080), (15, 1381339008), (16, 1295005320), (18, 1151115840), (20, 1036004256), (21, 986670720), (24, 863336880), (27, 767410560), (28, 740003040), (30, 690669504), (32, 647502660), (35, 592002432), (36, 575557920), (40, 518002128), (42, 493335360), (45, 460446336), (48, 431668440), (49, 422858880), (54, 383705280), (56, 370001520), (60, 345334752), (63, 328890240), (64, 323751330), (70, 296001216), (72, 287778960), (80, 259001064), (81, 255803520), (84, 246667680), (90, 230223168), (96, 215834220), (98, 211429440), (105, 197334144), (108, 191852640), (112, 185000760), (120, 172667376), (126, 164445120), (128, 161875665), (135, 153482112), (140, 148000608), (144, 143889480), (147, 140952960), (160, 129500532), (162, 127901760), (168, 123333840), (180, 115111584), (189, 109630080), (192, 107917110), (196, 105714720), (210, 98667072), (216, 95926320), (224, 92500380), (240, 86333688), (243, 85267840), (245, 84571776), (252, 82222560), (270, 76741056), (280, 74000304), (288, 71944740), (294, 70476480), (315, 65778048), (320, 64750266), (324, 63950880), (336, 61666920), (360, 57555792), (378, 54815040), (384, 53958555), (392, 52857360), (405, 51160704), (420, 49333536), (432, 47963160), (441, 46984320), (448, 46250190), (480, 43166844), (486, 42633920), (490, 42285888), (504, 41111280), (540, 38370528), (560, 37000152), (567, 36543360), (576, 35972370), (588, 35238240), (630, 32889024), (640, 32375133), (648, 31975440), (672, 30833460), (720, 28777896), (735, 28190592), (756, 27407520), (784, 26428680), (810, 25580352), (840, 24666768), (864, 23981580), (882, 23492160), (896, 23125095), (945, 21926016), (960, 21583422), (972, 21316960), (980, 21142944), (1008, 20555640), (1080, 19185264), (1120, 18500076), (1134, 18271680), (1152, 17986185), (1176, 17619120), (1215, 17053568), (1260, 16444512), (1296, 15987720), (1323, 15661440), (1344, 15416730), (1440, 14388948), (1470, 14095296), (1512, 13703760), (1568, 13214340), (1620, 12790176), (1680, 12333384), (1701, 12181120), (1728, 11990790), (1764, 11746080), (1890, 10963008), (1920, 10791711), (1944, 10658480), (1960, 10571472), (2016, 10277820), (2160, 9592632), (2205, 9396864), (2240, 9250038), (2268, 9135840), (2352, 8809560), (2430, 8526784), (2520, 8222256), (2592, 7993860), (2646, 7830720), (2688, 7708365), (2719, 7620480), (2835, 7308672), (2880, 7194474), (2940, 7047648), (3024, 6851880), (3136, 6607170), (3240, 6395088), (3360, 6166692), (3402, 6090560), (3456, 5995395), (3528, 5873040), (3780, 5481504), (3888, 5329240), (3920, 5285736), (3969, 5220480), (4032, 5138910), (4320, 4796316), (4410, 4698432), (4480, 4625019), (4536, 4567920), (4704, 4404780), (4860, 4263392), (5040, 4111128), (5184, 3996930), (5292, 3915360), (5438, 3810240), (5670, 3654336), (5760, 3597237), (5880, 3523824), (6048, 3425940), (6272, 3303585), (6480, 3197544), (6615, 3132288), (6720, 3083346), (6804, 3045280), (7056, 2936520), (7560, 2740752), (7776, 2664620), (7840, 2642868), (7938, 2610240), (8064, 2569455), (8157, 2540160), (8505, 2436224), (8640, 2398158), (8820, 2349216), (9072, 2283960), (9408, 2202390), (9720, 2131696), (10080, 2055564), (10368, 1998465), (10584, 1957680), (10876, 1905120), (11340, 1827168), (11760, 1761912), (11907, 1740160), (12096, 1712970), (12960, 1598772), (13230, 1566144), (13440, 1541673), (13595, 1524096), (13608, 1522640), (14112, 1468260), (15120, 1370376), (15552, 1332310), (15680, 1321434), (15876, 1305120), (16314, 1270080), (17010, 1218112), (17280, 1199079), (17640, 1174608), (18144, 1141980), (18816, 1101195), (19033, 1088640), (19440, 1065848), (19845, 1044096), (20160, 1027782), (21168, 978840), (21752, 952560), (22680, 913584), (23520, 880956), (23814, 870080), (24192, 856485), (24471, 846720), (25920, 799386), (26460, 783072), (27190, 762048), (27216, 761320), (28224, 734130), (30240, 685188), (31104, 666155), (31360, 660717), (31752, 652560), (32628, 635040), (34020, 609056), (35280, 587304), (36288, 570990), (38066, 544320), (38880, 532924), (39690, 522048), (40320, 513891), (40785, 508032), (42336, 489420), (43504, 476280), (45360, 456792), (47040, 440478), (47628, 435040), (48942, 423360), (51840, 399693), (52920, 391536), (54380, 381024), (54432, 380660), (56448, 367065), (57099, 362880), (59535, 348032), (60480, 342594), (63504, 326280), (65256, 317520), (68040, 304528), (70560, 293652), (72576, 285495), (73413, 282240), (76132, 272160), (77760, 266462), (79380, 261024), (81570, 254016), (84672, 244710), (87008, 238140), (90720, 228396), (94080, 220239), (95165, 217728), (95256, 217520), (97884, 211680), (105840, 195768), (108760, 190512), (108864, 190330), (114198, 181440), (119070, 174016), (120960, 171297), (122355, 169344), (127008, 163140), (130512, 158760), (133231, 155520), (136080, 152264), (141120, 146826)]