20215440000

素因数分解:

$2^7\times 3^3\times 5^4\times 7^2\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 960

約数和(自身を含む): 87182092800

約数和(自身を除く): 66966652800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 50, 54, 56, 60, 63, 64, 70, 72, 75, 80, 84, 90, 96, 98, 100, 105, 108, 112, 120, 125, 126, 128, 135, 140, 144, 147, 150, 160, 168, 175, 180, 189, 191, 192, 196, 200, 210, 216, 224, 225, 240, 245, 250, 252, 270, 280, 288, 294, 300, 315, 320, 336, 350, 360, 375, 378, 382, 384, 392, 400, 420, 432, 441, 448, 450, 480, 490, 500, 504, 525, 540, 560, 573, 576, 588, 600, 625, 630, 640, 672, 675, 700, 720, 735, 750, 756, 764, 784, 800, 840, 864, 875, 882, 896, 900, 945, 955, 960, 980, 1000, 1008, 1050, 1080, 1120, 1125, 1146, 1152, 1176, 1200, 1225, 1250, 1260, 1323, 1337, 1344, 1350, 1400, 1440, 1470, 1500, 1512, 1528, 1568, 1575, 1600, 1680, 1719, 1728, 1750, 1764, 1800, 1875, 1890, 1910, 1920, 1960, 2000, 2016, 2100, 2160, 2205, 2240, 2250, 2292, 2352, 2400, 2450, 2500, 2520, 2625, 2646, 2674, 2688, 2700, 2800, 2865, 2880, 2940, 3000, 3024, 3056, 3136, 3150, 3200, 3360, 3375, 3438, 3456, 3500, 3528, 3600, 3675, 3750, 3780, 3820, 3920, 4000, 4011, 4032, 4200, 4320, 4375, 4410, 4480, 4500, 4584, 4704, 4725, 4775, 4800, 4900, 5000, 5040, 5157, 5250, 5292, 5348, 5400, 5600, 5625, 5730, 5760, 5880, 6000, 6048, 6112, 6125, 6272, 6300, 6615, 6685, 6720, 6750, 6876, 7000, 7056, 7200, 7350, 7500, 7560, 7640, 7840, 7875, 8000, 8022, 8064, 8400, 8595, 8640, 8750, 8820, 9000, 9168, 9359, 9408, 9450, 9550, 9600, 9800, 10000, 10080, 10314, 10500, 10584, 10696, 10800, 11025, 11200, 11250, 11460, 11760, 12000, 12033, 12096, 12224, 12250, 12600, 13125, 13230, 13370, 13440, 13500, 13752, 14000, 14112, 14325, 14400, 14700, 15000, 15120, 15280, 15680, 15750, 16000, 16044, 16800, 16875, 17190, 17280, 17500, 17640, 18000, 18336, 18375, 18718, 18816, 18900, 19100, 19600, 20000, 20055, 20160, 20628, 21000, 21168, 21392, 21600, 22050, 22400, 22500, 22920, 23520, 23625, 23875, 24000, 24066, 24192, 24448, 24500, 25200, 25785, 26250, 26460, 26740, 27000, 27504, 28000, 28077, 28224, 28650, 28800, 29400, 30000, 30240, 30560, 30625, 31360, 31500, 32088, 33075, 33425, 33600, 33750, 34380, 35000, 35280, 36000, 36099, 36672, 36750, 37436, 37800, 38200, 39200, 39375, 40000, 40110, 40320, 41256, 42000, 42336, 42784, 42975, 43200, 44100, 45000, 45840, 46795, 47040, 47250, 47750, 48000, 48132, 49000, 50400, 51570, 52500, 52920, 53480, 54000, 55008, 55125, 56000, 56154, 56448, 57300, 58800, 60000, 60165, 60480, 61120, 61250, 63000, 64176, 66150, 66850, 67200, 67500, 68760, 70000, 70560, 71625, 72000, 72198, 73344, 73500, 74872, 75600, 76400, 78400, 78750, 80000, 80220, 82512, 84000, 84231, 84672, 85568, 85950, 86400, 88200, 90000, 91680, 91875, 93590, 94080, 94500, 95500, 96264, 98000, 100275, 100800, 103140, 105000, 105840, 106960, 108000, 110016, 110250, 112000, 112308, 114600, 117600, 118125, 119375, 120000, 120330, 120960, 122240, 122500, 126000, 128352, 128925, 132300, 133700, 135000, 137520, 140000, 140385, 141120, 143250, 144000, 144396, 147000, 149744, 151200, 152800, 156800, 157500, 160440, 165024, 165375, 167125, 168000, 168462, 169344, 171136, 171900, 176400, 180000, 180495, 183360, 183750, 187180, 189000, 191000, 192528, 196000, 200550, 201600, 206280, 210000, 211680, 213920, 214875, 216000, 220032, 220500, 224616, 229200, 233975, 235200, 236250, 238750, 240000, 240660, 245000, 252000, 252693, 256704, 257850, 264600, 267400, 270000, 275040, 275625, 280000, 280770, 282240, 286500, 288792, 294000, 299488, 300825, 302400, 305600, 315000, 320880, 330048, 330750, 334250, 336000, 336924, 343800, 352800, 358125, 360000, 360990, 366720, 367500, 374360, 378000, 382000, 385056, 392000, 401100, 412560, 420000, 421155, 423360, 427840, 429750, 432000, 441000, 449232, 458400, 467950, 470400, 472500, 477500, 481320, 490000, 501375, 504000, 505386, 513408, 515700, 529200, 534800, 540000, 550080, 551250, 560000, 561540, 573000, 577584, 588000, 598976, 601650, 604800, 611200, 630000, 641760, 644625, 660096, 661500, 668500, 673848, 687600, 701925, 705600, 716250, 720000, 721980, 735000, 748720, 756000, 764000, 770112, 784000, 802200, 825120, 826875, 835625, 840000, 842310, 846720, 855680, 859500, 882000, 898464, 902475, 916800, 935900, 945000, 955000, 962640, 980000, 1002750, 1008000, 1010772, 1031400, 1058400, 1069600, 1074375, 1080000, 1100160, 1102500, 1123080, 1146000, 1155168, 1169875, 1176000, 1197952, 1203300, 1260000, 1263465, 1283520, 1289250, 1323000, 1337000, 1347696, 1375200, 1403850, 1411200, 1432500, 1443960, 1470000, 1497440, 1504125, 1512000, 1528000, 1540224, 1604400, 1650240, 1653750, 1671250, 1680000, 1684620, 1719000, 1764000, 1796928, 1804950, 1833600, 1871800, 1890000, 1910000, 1925280, 1960000, 2005500, 2021544, 2062800, 2105775, 2116800, 2139200, 2148750, 2160000, 2205000, 2246160, 2292000, 2310336, 2339750, 2352000, 2406600, 2506875, 2520000, 2526930, 2567040, 2578500, 2646000, 2674000, 2695392, 2750400, 2807700, 2865000, 2887920, 2940000, 2994880, 3008250, 3024000, 3056000, 3208800, 3223125, 3300480, 3307500, 3342500, 3369240, 3438000, 3509625, 3528000, 3593856, 3609900, 3743600, 3780000, 3820000, 3850560, 3920000, 4011000, 4043088, 4125600, 4211550, 4233600, 4278400, 4297500, 4410000, 4492320, 4512375, 4584000, 4620672, 4679500, 4813200, 5013750, 5040000, 5053860, 5157000, 5292000, 5348000, 5390784, 5500800, 5615400, 5730000, 5775840, 5849375, 5880000, 5989760, 6016500, 6317325, 6417600, 6446250, 6615000, 6685000, 6738480, 6876000, 7019250, 7056000, 7219800, 7487200, 7520625, 7560000, 7640000, 7701120, 8022000, 8086176, 8251200, 8423100, 8595000, 8820000, 8984640, 9024750, 9168000, 9359000, 9626400, 10027500, 10107720, 10314000, 10528875, 10584000, 10696000, 10781568, 11230800, 11460000, 11551680, 11698750, 11760000, 12033000, 12634650, 12835200, 12892500, 13230000, 13370000, 13476960, 13752000, 14038500, 14439600, 14974400, 15041250, 15120000, 15280000, 16044000, 16172352, 16502400, 16846200, 17190000, 17548125, 17640000, 17969280, 18049500, 18718000, 19252800, 20055000, 20215440, 20628000, 21057750, 21168000, 21392000, 22461600, 22561875, 22920000, 23103360, 23397500, 24066000, 25269300, 25785000, 26460000, 26740000, 26953920, 27504000, 28077000, 28879200, 29948800, 30082500, 31586625, 32088000, 32344704, 33692400, 34380000, 35096250, 35280000, 36099000, 37436000, 38505600, 40110000, 40430880, 41256000, 42115500, 44923200, 45123750, 45840000, 46795000, 48132000, 50538600, 51570000, 52644375, 52920000, 53480000, 53907840, 56154000, 57758400, 60165000, 63173250, 64176000, 67384800, 68760000, 70192500, 72198000, 74872000, 80220000, 80861760, 82512000, 84231000, 89846400, 90247500, 93590000, 96264000, 101077200, 103140000, 105288750, 105840000, 106960000, 112308000, 115516800, 120330000, 126346500, 134769600, 137520000, 140385000, 144396000, 149744000, 157933125, 160440000, 161723520, 168462000, 180495000, 187180000, 192528000, 202154400, 206280000, 210577500, 224616000, 240660000, 252693000, 269539200, 280770000, 288792000, 315866250, 320880000, 336924000, 360990000, 374360000, 404308800, 412560000, 421155000, 449232000, 481320000, 505386000, 561540000, 577584000, 631732500, 673848000, 721980000, 748720000, 808617600, 842310000, 962640000, 1010772000, 1123080000, 1263465000, 1347696000, 1443960000, 1684620000, 2021544000, 2246160000, 2526930000, 2887920000, 3369240000, 4043088000, 5053860000, 6738480000, 10107720000, 20215440000]

約数ペア:

[(1, 20215440000), (2, 10107720000), (3, 6738480000), (4, 5053860000), (5, 4043088000), (6, 3369240000), (7, 2887920000), (8, 2526930000), (9, 2246160000), (10, 2021544000), (12, 1684620000), (14, 1443960000), (15, 1347696000), (16, 1263465000), (18, 1123080000), (20, 1010772000), (21, 962640000), (24, 842310000), (25, 808617600), (27, 748720000), (28, 721980000), (30, 673848000), (32, 631732500), (35, 577584000), (36, 561540000), (40, 505386000), (42, 481320000), (45, 449232000), (48, 421155000), (49, 412560000), (50, 404308800), (54, 374360000), (56, 360990000), (60, 336924000), (63, 320880000), (64, 315866250), (70, 288792000), (72, 280770000), (75, 269539200), (80, 252693000), (84, 240660000), (90, 224616000), (96, 210577500), (98, 206280000), (100, 202154400), (105, 192528000), (108, 187180000), (112, 180495000), (120, 168462000), (125, 161723520), (126, 160440000), (128, 157933125), (135, 149744000), (140, 144396000), (144, 140385000), (147, 137520000), (150, 134769600), (160, 126346500), (168, 120330000), (175, 115516800), (180, 112308000), (189, 106960000), (191, 105840000), (192, 105288750), (196, 103140000), (200, 101077200), (210, 96264000), (216, 93590000), (224, 90247500), (225, 89846400), (240, 84231000), (245, 82512000), (250, 80861760), (252, 80220000), (270, 74872000), (280, 72198000), (288, 70192500), (294, 68760000), (300, 67384800), (315, 64176000), (320, 63173250), (336, 60165000), (350, 57758400), (360, 56154000), (375, 53907840), (378, 53480000), (382, 52920000), (384, 52644375), (392, 51570000), (400, 50538600), (420, 48132000), (432, 46795000), (441, 45840000), (448, 45123750), (450, 44923200), (480, 42115500), (490, 41256000), (500, 40430880), (504, 40110000), (525, 38505600), (540, 37436000), (560, 36099000), (573, 35280000), (576, 35096250), (588, 34380000), (600, 33692400), (625, 32344704), (630, 32088000), (640, 31586625), (672, 30082500), (675, 29948800), (700, 28879200), (720, 28077000), (735, 27504000), (750, 26953920), (756, 26740000), (764, 26460000), (784, 25785000), (800, 25269300), (840, 24066000), (864, 23397500), (875, 23103360), (882, 22920000), (896, 22561875), (900, 22461600), (945, 21392000), (955, 21168000), (960, 21057750), (980, 20628000), (1000, 20215440), (1008, 20055000), (1050, 19252800), (1080, 18718000), (1120, 18049500), (1125, 17969280), (1146, 17640000), (1152, 17548125), (1176, 17190000), (1200, 16846200), (1225, 16502400), (1250, 16172352), (1260, 16044000), (1323, 15280000), (1337, 15120000), (1344, 15041250), (1350, 14974400), (1400, 14439600), (1440, 14038500), (1470, 13752000), (1500, 13476960), (1512, 13370000), (1528, 13230000), (1568, 12892500), (1575, 12835200), (1600, 12634650), (1680, 12033000), (1719, 11760000), (1728, 11698750), (1750, 11551680), (1764, 11460000), (1800, 11230800), (1875, 10781568), (1890, 10696000), (1910, 10584000), (1920, 10528875), (1960, 10314000), (2000, 10107720), (2016, 10027500), (2100, 9626400), (2160, 9359000), (2205, 9168000), (2240, 9024750), (2250, 8984640), (2292, 8820000), (2352, 8595000), (2400, 8423100), (2450, 8251200), (2500, 8086176), (2520, 8022000), (2625, 7701120), (2646, 7640000), (2674, 7560000), (2688, 7520625), (2700, 7487200), (2800, 7219800), (2865, 7056000), (2880, 7019250), (2940, 6876000), (3000, 6738480), (3024, 6685000), (3056, 6615000), (3136, 6446250), (3150, 6417600), (3200, 6317325), (3360, 6016500), (3375, 5989760), (3438, 5880000), (3456, 5849375), (3500, 5775840), (3528, 5730000), (3600, 5615400), (3675, 5500800), (3750, 5390784), (3780, 5348000), (3820, 5292000), (3920, 5157000), (4000, 5053860), (4011, 5040000), (4032, 5013750), (4200, 4813200), (4320, 4679500), (4375, 4620672), (4410, 4584000), (4480, 4512375), (4500, 4492320), (4584, 4410000), (4704, 4297500), (4725, 4278400), (4775, 4233600), (4800, 4211550), (4900, 4125600), (5000, 4043088), (5040, 4011000), (5157, 3920000), (5250, 3850560), (5292, 3820000), (5348, 3780000), (5400, 3743600), (5600, 3609900), (5625, 3593856), (5730, 3528000), (5760, 3509625), (5880, 3438000), (6000, 3369240), (6048, 3342500), (6112, 3307500), (6125, 3300480), (6272, 3223125), (6300, 3208800), (6615, 3056000), (6685, 3024000), (6720, 3008250), (6750, 2994880), (6876, 2940000), (7000, 2887920), (7056, 2865000), (7200, 2807700), (7350, 2750400), (7500, 2695392), (7560, 2674000), (7640, 2646000), (7840, 2578500), (7875, 2567040), (8000, 2526930), (8022, 2520000), (8064, 2506875), (8400, 2406600), (8595, 2352000), (8640, 2339750), (8750, 2310336), (8820, 2292000), (9000, 2246160), (9168, 2205000), (9359, 2160000), (9408, 2148750), (9450, 2139200), (9550, 2116800), (9600, 2105775), (9800, 2062800), (10000, 2021544), (10080, 2005500), (10314, 1960000), (10500, 1925280), (10584, 1910000), (10696, 1890000), (10800, 1871800), (11025, 1833600), (11200, 1804950), (11250, 1796928), (11460, 1764000), (11760, 1719000), (12000, 1684620), (12033, 1680000), (12096, 1671250), (12224, 1653750), (12250, 1650240), (12600, 1604400), (13125, 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(27000, 748720), (27504, 735000), (28000, 721980), (28077, 720000), (28224, 716250), (28650, 705600), (28800, 701925), (29400, 687600), (30000, 673848), (30240, 668500), (30560, 661500), (30625, 660096), (31360, 644625), (31500, 641760), (32088, 630000), (33075, 611200), (33425, 604800), (33600, 601650), (33750, 598976), (34380, 588000), (35000, 577584), (35280, 573000), (36000, 561540), (36099, 560000), (36672, 551250), (36750, 550080), (37436, 540000), (37800, 534800), (38200, 529200), (39200, 515700), (39375, 513408), (40000, 505386), (40110, 504000), (40320, 501375), (41256, 490000), (42000, 481320), (42336, 477500), (42784, 472500), (42975, 470400), (43200, 467950), (44100, 458400), (45000, 449232), (45840, 441000), (46795, 432000), (47040, 429750), (47250, 427840), (47750, 423360), (48000, 421155), (48132, 420000), (49000, 412560), (50400, 401100), (51570, 392000), (52500, 385056), (52920, 382000), (53480, 378000), (54000, 374360), (55008, 367500), (55125, 366720), (56000, 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