20157638400

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 864

約数和(自身を含む): 78834954240

約数和(自身を除く): 58677315840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 31, 32, 36, 40, 45, 48, 50, 53, 54, 60, 62, 64, 71, 72, 75, 80, 90, 93, 96, 100, 106, 108, 120, 124, 128, 135, 142, 144, 150, 155, 159, 160, 180, 186, 192, 200, 212, 213, 216, 225, 240, 248, 256, 265, 270, 279, 284, 288, 300, 310, 318, 320, 355, 360, 372, 384, 400, 424, 426, 432, 450, 465, 477, 480, 496, 530, 540, 558, 568, 576, 600, 620, 636, 639, 640, 675, 710, 720, 744, 768, 775, 795, 800, 837, 848, 852, 864, 900, 930, 954, 960, 992, 1060, 1065, 1080, 1116, 1136, 1152, 1200, 1240, 1272, 1278, 1280, 1325, 1350, 1395, 1420, 1431, 1440, 1488, 1550, 1590, 1600, 1643, 1674, 1696, 1704, 1728, 1775, 1800, 1860, 1908, 1917, 1920, 1984, 2120, 2130, 2160, 2201, 2232, 2272, 2304, 2325, 2385, 2400, 2480, 2544, 2556, 2650, 2700, 2790, 2840, 2862, 2880, 2976, 3100, 3180, 3195, 3200, 3286, 3348, 3392, 3408, 3456, 3550, 3600, 3720, 3763, 3816, 3834, 3840, 3968, 3975, 4185, 4240, 4260, 4320, 4402, 4464, 4544, 4650, 4770, 4800, 4929, 4960, 5088, 5112, 5300, 5325, 5400, 5580, 5680, 5724, 5760, 5952, 6200, 6360, 6390, 6400, 6572, 6603, 6696, 6784, 6816, 6912, 6975, 7100, 7155, 7200, 7440, 7526, 7632, 7668, 7936, 7950, 8215, 8370, 8480, 8520, 8640, 8804, 8928, 9088, 9300, 9540, 9585, 9600, 9858, 9920, 10176, 10224, 10600, 10650, 10800, 11005, 11160, 11289, 11360, 11448, 11520, 11904, 11925, 12400, 12720, 12780, 13144, 13206, 13392, 13568, 13632, 13950, 14200, 14310, 14400, 14787, 14880, 15052, 15264, 15336, 15900, 15975, 16430, 16740, 16960, 17040, 17280, 17608, 17856, 18176, 18600, 18815, 19080, 19170, 19200, 19716, 19809, 19840, 20352, 20448, 20925, 21200, 21300, 21600, 22010, 22320, 22578, 22720, 22896, 23808, 23850, 24645, 24800, 25440, 25560, 26288, 26412, 26784, 27264, 27900, 28400, 28620, 28800, 29574, 29760, 30104, 30528, 30672, 31800, 31950, 32860, 33015, 33480, 33867, 33920, 34080, 34560, 35216, 35712, 35775, 37200, 37630, 38160, 38340, 39432, 39618, 39680, 40704, 40896, 41075, 41850, 42400, 42600, 43200, 44020, 44361, 44640, 45156, 45440, 45792, 47700, 47925, 49290, 49600, 50880, 51120, 52576, 52824, 53568, 54528, 55025, 55800, 56445, 56800, 57240, 57600, 59148, 59427, 59520, 60208, 61056, 61344, 63600, 63900, 65720, 66030, 66960, 67734, 67840, 68160, 70432, 71424, 71550, 73935, 74400, 75260, 76320, 76680, 78864, 79236, 81792, 82150, 83700, 84800, 85200, 86400, 88040, 88722, 89280, 90312, 90880, 91584, 94075, 95400, 95850, 98580, 99045, 99200, 101601, 101760, 102240, 105152, 105648, 107136, 110050, 111600, 112890, 113600, 114480, 116653, 118296, 118854, 119040, 120416, 122112, 122688, 123225, 127200, 127800, 131440, 132060, 133920, 135468, 136320, 140864, 143100, 147870, 148800, 150520, 152640, 153360, 157728, 158472, 163584, 164300, 165075, 167400, 169335, 169600, 170400, 172800, 176080, 177444, 178560, 180624, 183168, 188150, 190800, 191700, 197160, 198090, 198400, 203202, 203520, 204480, 210304, 211296, 214272, 220100, 221805, 223200, 225780, 227200, 228960, 233306, 236592, 237708, 240832, 245376, 246450, 254400, 255600, 262880, 264120, 267840, 270936, 272640, 281728, 282225, 286200, 295740, 297135, 297600, 301040, 305280, 306720, 315456, 316944, 328600, 330150, 334800, 338670, 339200, 340800, 349959, 352160, 354888, 357120, 361248, 366336, 369675, 376300, 381600, 383400, 394320, 396180, 406404, 408960, 420608, 422592, 440200, 443610, 446400, 451560, 454400, 457920, 466612, 473184, 475416, 481664, 490752, 492900, 495225, 508005, 508800, 511200, 525760, 528240, 535680, 541872, 563456, 564450, 572400, 583265, 591480, 594270, 595200, 602080, 610560, 613440, 630912, 633888, 657200, 660300, 669600, 677340, 681600, 699918, 704320, 709776, 722496, 739350, 752600, 763200, 766800, 788640, 792360, 812808, 817920, 845184, 846675, 880400, 887220, 892800, 903120, 915840, 933224, 946368, 950832, 963328, 985800, 990450, 1016010, 1017600, 1022400, 1049877, 1051520, 1056480, 1071360, 1083744, 1109025, 1128900, 1144800, 1166530, 1182960, 1188540, 1204160, 1226880, 1261824, 1267776, 1314400, 1320600, 1339200, 1354680, 1363200, 1399836, 1408640, 1419552, 1444992, 1478700, 1485675, 1505200, 1526400, 1533600, 1577280, 1584720, 1625616, 1690368, 1693350, 1749795, 1760800, 1774440, 1785600, 1806240, 1831680, 1866448, 1892736, 1901664, 1971600, 1980900, 2032020, 2044800, 2099754, 2103040, 2112960, 2167488, 2218050, 2257800, 2289600, 2333060, 2365920, 2377080, 2408320, 2453760, 2535552, 2540025, 2628800, 2641200, 2678400, 2709360, 2799672, 2817280, 2839104, 2889984, 2916325, 2957400, 2971350, 3010400, 3052800, 3067200, 3149631, 3154560, 3169440, 3251232, 3386700, 3499590, 3521600, 3548880, 3612480, 3732896, 3785472, 3803328, 3943200, 3961800, 4064040, 4089600, 4199508, 4225920, 4334976, 4436100, 4515600, 4579200, 4666120, 4731840, 4754160, 4816640, 5071104, 5080050, 5249385, 5257600, 5282400, 5356800, 5418720, 5599344, 5678208, 5832650, 5914800, 5942700, 6020800, 6134400, 6299262, 6309120, 6338880, 6502464, 6773400, 6999180, 7043200, 7097760, 7224960, 7465792, 7606656, 7886400, 7923600, 8128080, 8399016, 8451840, 8669952, 8748975, 8872200, 9031200, 9158400, 9332240, 9463680, 9508320, 10160100, 10498770, 10515200, 10564800, 10837440, 11198688, 11356416, 11665300, 11829600, 11885400, 12041600, 12268800, 12598524, 12677760, 13004928, 13546800, 13998360, 14086400, 14195520, 14449920, 14931584, 15213312, 15748155, 15772800, 15847200, 16256160, 16798032, 17497950, 17744400, 18062400, 18664480, 18927360, 19016640, 20320200, 20997540, 21129600, 21674880, 22397376, 23330600, 23659200, 23770800, 24083200, 25197048, 25355520, 26009856, 26246925, 27093600, 27996720, 28391040, 29863168, 31496310, 31545600, 31694400, 32512320, 33596064, 34995900, 35488800, 36124800, 37328960, 38033280, 40640400, 41995080, 42259200, 43349760, 44794752, 46661200, 47318400, 47541600, 50394096, 52493850, 54187200, 55993440, 56782080, 62992620, 63388800, 65024640, 67192128, 69991800, 70977600, 72249600, 74657920, 76066560, 78740775, 81280800, 83990160, 89589504, 93322400, 94636800, 95083200, 100788192, 104987700, 108374400, 111986880, 125985240, 126777600, 130049280, 134384256, 139983600, 141955200, 149315840, 157481550, 162561600, 167980320, 186644800, 190166400, 201576384, 209975400, 216748800, 223973760, 251970480, 268768512, 279967200, 283910400, 314963100, 325123200, 335960640, 373289600, 380332800, 403152768, 419950800, 447947520, 503940960, 559934400, 629926200, 650246400, 671921280, 746579200, 806305536, 839901600, 1007881920, 1119868800, 1259852400, 1343842560, 1679803200, 2015763840, 2239737600, 2519704800, 3359606400, 4031527680, 5039409600, 6719212800, 10078819200, 20157638400]

約数ペア:

[(1, 20157638400), (2, 10078819200), (3, 6719212800), (4, 5039409600), (5, 4031527680), (6, 3359606400), (8, 2519704800), (9, 2239737600), (10, 2015763840), (12, 1679803200), (15, 1343842560), (16, 1259852400), (18, 1119868800), (20, 1007881920), (24, 839901600), (25, 806305536), (27, 746579200), (30, 671921280), (31, 650246400), (32, 629926200), (36, 559934400), (40, 503940960), (45, 447947520), (48, 419950800), (50, 403152768), (53, 380332800), (54, 373289600), (60, 335960640), (62, 325123200), (64, 314963100), (71, 283910400), (72, 279967200), (75, 268768512), (80, 251970480), (90, 223973760), (93, 216748800), (96, 209975400), (100, 201576384), (106, 190166400), (108, 186644800), (120, 167980320), (124, 162561600), (128, 157481550), (135, 149315840), (142, 141955200), (144, 139983600), (150, 134384256), (155, 130049280), (159, 126777600), (160, 125985240), (180, 111986880), (186, 108374400), (192, 104987700), (200, 100788192), (212, 95083200), (213, 94636800), (216, 93322400), (225, 89589504), (240, 83990160), (248, 81280800), (256, 78740775), (265, 76066560), (270, 74657920), (279, 72249600), (284, 70977600), (288, 69991800), (300, 67192128), (310, 65024640), (318, 63388800), (320, 62992620), (355, 56782080), (360, 55993440), (372, 54187200), (384, 52493850), (400, 50394096), (424, 47541600), (426, 47318400), (432, 46661200), (450, 44794752), (465, 43349760), (477, 42259200), (480, 41995080), (496, 40640400), (530, 38033280), (540, 37328960), (558, 36124800), (568, 35488800), (576, 34995900), (600, 33596064), (620, 32512320), (636, 31694400), (639, 31545600), (640, 31496310), (675, 29863168), (710, 28391040), (720, 27996720), (744, 27093600), (768, 26246925), (775, 26009856), (795, 25355520), (800, 25197048), (837, 24083200), (848, 23770800), (852, 23659200), (864, 23330600), (900, 22397376), (930, 21674880), (954, 21129600), (960, 20997540), (992, 20320200), (1060, 19016640), (1065, 18927360), (1080, 18664480), (1116, 18062400), (1136, 17744400), (1152, 17497950), (1200, 16798032), (1240, 16256160), (1272, 15847200), (1278, 15772800), (1280, 15748155), (1325, 15213312), (1350, 14931584), (1395, 14449920), (1420, 14195520), (1431, 14086400), (1440, 13998360), (1488, 13546800), (1550, 13004928), (1590, 12677760), (1600, 12598524), (1643, 12268800), (1674, 12041600), (1696, 11885400), (1704, 11829600), (1728, 11665300), (1775, 11356416), (1800, 11198688), (1860, 10837440), (1908, 10564800), (1917, 10515200), (1920, 10498770), (1984, 10160100), (2120, 9508320), (2130, 9463680), (2160, 9332240), (2201, 9158400), (2232, 9031200), (2272, 8872200), (2304, 8748975), (2325, 8669952), (2385, 8451840), (2400, 8399016), (2480, 8128080), (2544, 7923600), (2556, 7886400), (2650, 7606656), (2700, 7465792), (2790, 7224960), (2840, 7097760), (2862, 7043200), (2880, 6999180), (2976, 6773400), (3100, 6502464), (3180, 6338880), (3195, 6309120), (3200, 6299262), (3286, 6134400), (3348, 6020800), (3392, 5942700), (3408, 5914800), (3456, 5832650), (3550, 5678208), (3600, 5599344), (3720, 5418720), (3763, 5356800), (3816, 5282400), (3834, 5257600), (3840, 5249385), (3968, 5080050), (3975, 5071104), (4185, 4816640), (4240, 4754160), (4260, 4731840), (4320, 4666120), (4402, 4579200), (4464, 4515600), (4544, 4436100), (4650, 4334976), (4770, 4225920), (4800, 4199508), (4929, 4089600), (4960, 4064040), (5088, 3961800), (5112, 3943200), (5300, 3803328), (5325, 3785472), (5400, 3732896), (5580, 3612480), (5680, 3548880), (5724, 3521600), (5760, 3499590), (5952, 3386700), (6200, 3251232), (6360, 3169440), (6390, 3154560), (6400, 3149631), (6572, 3067200), (6603, 3052800), (6696, 3010400), (6784, 2971350), (6816, 2957400), (6912, 2916325), (6975, 2889984), (7100, 2839104), (7155, 2817280), (7200, 2799672), (7440, 2709360), (7526, 2678400), (7632, 2641200), (7668, 2628800), (7936, 2540025), (7950, 2535552), (8215, 2453760), (8370, 2408320), (8480, 2377080), (8520, 2365920), (8640, 2333060), (8804, 2289600), (8928, 2257800), (9088, 2218050), (9300, 2167488), (9540, 2112960), (9585, 2103040), (9600, 2099754), (9858, 2044800), (9920, 2032020), (10176, 1980900), (10224, 1971600), (10600, 1901664), (10650, 1892736), (10800, 1866448), (11005, 1831680), (11160, 1806240), (11289, 1785600), (11360, 1774440), (11448, 1760800), (11520, 1749795), (11904, 1693350), (11925, 1690368), (12400, 1625616), (12720, 1584720), (12780, 1577280), (13144, 1533600), (13206, 1526400), (13392, 1505200), (13568, 1485675), (13632, 1478700), (13950, 1444992), (14200, 1419552), (14310, 1408640), (14400, 1399836), (14787, 1363200), (14880, 1354680), (15052, 1339200), (15264, 1320600), (15336, 1314400), (15900, 1267776), (15975, 1261824), (16430, 1226880), (16740, 1204160), (16960, 1188540), (17040, 1182960), (17280, 1166530), (17608, 1144800), (17856, 1128900), (18176, 1109025), (18600, 1083744), (18815, 1071360), (19080, 1056480), (19170, 1051520), (19200, 1049877), (19716, 1022400), (19809, 1017600), (19840, 1016010), (20352, 990450), (20448, 985800), (20925, 963328), (21200, 950832), (21300, 946368), (21600, 933224), (22010, 915840), (22320, 903120), (22578, 892800), (22720, 887220), (22896, 880400), (23808, 846675), (23850, 845184), (24645, 817920), (24800, 812808), (25440, 792360), (25560, 788640), (26288, 766800), (26412, 763200), (26784, 752600), (27264, 739350), (27900, 722496), (28400, 709776), (28620, 704320), (28800, 699918), (29574, 681600), (29760, 677340), (30104, 669600), (30528, 660300), (30672, 657200), (31800, 633888), (31950, 630912), (32860, 613440), (33015, 610560), (33480, 602080), (33867, 595200), (33920, 594270), (34080, 591480), (34560, 583265), (35216, 572400), (35712, 564450), (35775, 563456), (37200, 541872), (37630, 535680), (38160, 528240), (38340, 525760), (39432, 511200), (39618, 508800), (39680, 508005), (40704, 495225), (40896, 492900), (41075, 490752), (41850, 481664), (42400, 475416), (42600, 473184), (43200, 466612), (44020, 457920), (44361, 454400), (44640, 451560), (45156, 446400), (45440, 443610), (45792, 440200), (47700, 422592), (47925, 420608), (49290, 408960), (49600, 406404), (50880, 396180), (51120, 394320), (52576, 383400), (52824, 381600), (53568, 376300), (54528, 369675), (55025, 366336), (55800, 361248), (56445, 357120), (56800, 354888), (57240, 352160), (57600, 349959), (59148, 340800), (59427, 339200), (59520, 338670), (60208, 334800), (61056, 330150), (61344, 328600), (63600, 316944), (63900, 315456), (65720, 306720), (66030, 305280), (66960, 301040), (67734, 297600), (67840, 297135), (68160, 295740), (70432, 286200), (71424, 282225), (71550, 281728), (73935, 272640), (74400, 270936), (75260, 267840), (76320, 264120), (76680, 262880), (78864, 255600), (79236, 254400), (81792, 246450), (82150, 245376), (83700, 240832), (84800, 237708), (85200, 236592), (86400, 233306), (88040, 228960), (88722, 227200), (89280, 225780), (90312, 223200), (90880, 221805), (91584, 220100), (94075, 214272), (95400, 211296), (95850, 210304), (98580, 204480), (99045, 203520), (99200, 203202), (101601, 198400), (101760, 198090), (102240, 197160), (105152, 191700), (105648, 190800), (107136, 188150), (110050, 183168), (111600, 180624), (112890, 178560), (113600, 177444), (114480, 176080), (116653, 172800), (118296, 170400), (118854, 169600), (119040, 169335), (120416, 167400), (122112, 165075), (122688, 164300), (123225, 163584), (127200, 158472), (127800, 157728), (131440, 153360), (132060, 152640), (133920, 150520), (135468, 148800), (136320, 147870), (140864, 143100)]