20654928000

素因数分解:

$2^7\times 3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:734

約数の個数: 768

約数和(自身を含む): 87640750080

約数和(自身を除く): 66985822080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 62, 63, 64, 70, 72, 75, 80, 84, 90, 93, 96, 100, 105, 112, 120, 124, 125, 126, 128, 140, 144, 150, 155, 160, 168, 175, 180, 186, 192, 200, 210, 217, 224, 225, 240, 248, 250, 252, 279, 280, 288, 300, 310, 315, 320, 336, 350, 360, 372, 375, 384, 400, 420, 434, 448, 450, 465, 480, 496, 500, 504, 525, 558, 560, 576, 600, 620, 630, 640, 651, 661, 672, 700, 720, 744, 750, 775, 800, 840, 868, 875, 896, 900, 930, 960, 992, 1000, 1008, 1050, 1085, 1116, 1120, 1125, 1152, 1200, 1240, 1260, 1302, 1322, 1344, 1395, 1400, 1440, 1488, 1500, 1550, 1575, 1600, 1680, 1736, 1750, 1800, 1860, 1920, 1953, 1983, 1984, 2000, 2016, 2100, 2170, 2232, 2240, 2250, 2325, 2400, 2480, 2520, 2604, 2625, 2644, 2688, 2790, 2800, 2880, 2976, 3000, 3100, 3150, 3200, 3255, 3305, 3360, 3472, 3500, 3600, 3720, 3875, 3906, 3966, 3968, 4000, 4032, 4200, 4340, 4464, 4480, 4500, 4627, 4650, 4800, 4960, 5040, 5208, 5250, 5288, 5425, 5580, 5600, 5760, 5949, 5952, 6000, 6200, 6300, 6510, 6610, 6720, 6944, 6975, 7000, 7200, 7440, 7750, 7812, 7875, 7932, 8000, 8064, 8400, 8680, 8928, 9000, 9254, 9300, 9600, 9765, 9915, 9920, 10080, 10416, 10500, 10576, 10850, 11160, 11200, 11625, 11898, 11904, 12000, 12400, 12600, 13020, 13220, 13440, 13881, 13888, 13950, 14000, 14400, 14880, 15500, 15624, 15750, 15864, 16000, 16275, 16525, 16800, 17360, 17856, 18000, 18508, 18600, 19530, 19830, 19840, 20160, 20491, 20832, 21000, 21152, 21700, 22320, 22400, 23135, 23250, 23796, 24000, 24800, 25200, 26040, 26440, 27125, 27762, 27776, 27900, 28000, 28800, 29745, 29760, 31000, 31248, 31500, 31728, 32550, 33050, 33600, 34720, 34875, 35712, 36000, 37016, 37200, 39060, 39660, 40320, 40982, 41643, 41664, 42000, 42304, 43400, 44640, 46270, 46500, 47592, 48000, 48825, 49575, 49600, 50400, 52080, 52880, 54250, 55524, 55800, 56000, 59490, 59520, 61473, 62000, 62496, 63000, 63456, 65100, 66100, 67200, 69405, 69440, 69750, 72000, 74032, 74400, 78120, 79320, 81375, 81964, 82625, 83286, 83328, 84000, 84608, 86800, 89280, 92540, 93000, 95184, 97650, 99150, 99200, 100800, 102455, 104160, 105760, 108500, 111048, 111600, 112000, 115675, 118980, 122946, 124000, 124992, 126000, 126912, 130200, 132200, 138810, 138880, 139500, 143437, 144000, 148064, 148725, 148800, 156240, 158640, 162750, 163928, 165250, 166572, 168000, 173600, 178560, 184419, 185080, 186000, 190368, 195300, 198300, 201600, 204910, 208215, 208320, 211520, 217000, 222096, 223200, 231350, 237960, 244125, 245892, 247875, 248000, 249984, 252000, 253824, 260400, 264400, 277620, 279000, 286874, 296128, 297450, 297600, 307365, 312480, 317280, 325500, 327856, 330500, 333144, 336000, 347025, 347200, 368838, 370160, 372000, 380736, 390600, 396600, 409820, 416430, 416640, 423040, 430311, 434000, 444192, 446400, 462700, 475920, 488250, 491784, 495750, 496000, 504000, 512275, 520800, 528800, 555240, 558000, 573748, 578375, 592256, 594900, 614730, 624960, 634560, 651000, 655712, 661000, 666288, 694050, 694400, 717185, 737676, 740320, 743625, 744000, 761472, 781200, 793200, 819640, 832860, 860622, 868000, 888384, 892800, 922095, 925400, 951840, 976500, 983568, 991500, 1008000, 1024550, 1041075, 1041600, 1057600, 1110480, 1116000, 1147496, 1156750, 1189800, 1229460, 1249920, 1269120, 1290933, 1302000, 1311424, 1322000, 1332576, 1388100, 1434370, 1475352, 1480640, 1487250, 1488000, 1536825, 1562400, 1586400, 1639280, 1665720, 1721244, 1735125, 1736000, 1776768, 1844190, 1850800, 1903680, 1953000, 1967136, 1983000, 2049100, 2082150, 2083200, 2115200, 2151555, 2220960, 2232000, 2294992, 2313500, 2379600, 2458920, 2561375, 2581866, 2604000, 2622848, 2644000, 2665152, 2776200, 2868740, 2950704, 2961280, 2974500, 3073650, 3124800, 3172800, 3278560, 3331440, 3442488, 3470250, 3472000, 3585925, 3688380, 3701600, 3807360, 3906000, 3934272, 3966000, 4098200, 4164300, 4303110, 4441920, 4464000, 4589984, 4610475, 4627000, 4759200, 4917840, 5122750, 5163732, 5205375, 5208000, 5288000, 5330304, 5552400, 5737480, 5901408, 5949000, 6147300, 6249600, 6345600, 6454665, 6557120, 6662880, 6884976, 6940500, 7171850, 7376760, 7403200, 7684125, 7812000, 7868544, 7932000, 8196400, 8328600, 8606220, 8883840, 9179968, 9220950, 9254000, 9518400, 9835680, 10245500, 10327464, 10410750, 10416000, 10576000, 10757775, 11104800, 11474960, 11802816, 11898000, 12294600, 12909330, 13114240, 13325760, 13769952, 13881000, 14343700, 14753520, 14806400, 15368250, 15624000, 15864000, 16392800, 16657200, 17212440, 17929625, 18359936, 18441900, 18508000, 19036800, 19671360, 20491000, 20654928, 20821500, 21515550, 22209600, 22949920, 23052375, 23605632, 23796000, 24589200, 25818660, 26651520, 27539904, 27762000, 28687400, 29507040, 30736500, 31248000, 31728000, 32273325, 32785600, 33314400, 34424880, 35859250, 36883800, 37016000, 39342720, 40982000, 41309856, 41643000, 43031100, 44419200, 45899840, 46104750, 47592000, 49178400, 51637320, 53788875, 55079808, 55524000, 57374800, 59014080, 61473000, 64546650, 65571200, 66628800, 68849760, 71718500, 73767600, 74032000, 81964000, 82619712, 83286000, 86062200, 91799680, 92209500, 95184000, 98356800, 103274640, 107577750, 111048000, 114749600, 118028160, 122946000, 129093300, 133257600, 137699520, 143437000, 147535200, 161366625, 163928000, 165239424, 166572000, 172124400, 184419000, 196713600, 206549280, 215155500, 222096000, 229499200, 245892000, 258186600, 275399040, 286874000, 295070400, 322733250, 327856000, 333144000, 344248800, 368838000, 413098560, 430311000, 458998400, 491784000, 516373200, 573748000, 590140800, 645466500, 666288000, 688497600, 737676000, 826197120, 860622000, 983568000, 1032746400, 1147496000, 1290933000, 1376995200, 1475352000, 1721244000, 2065492800, 2294992000, 2581866000, 2950704000, 3442488000, 4130985600, 5163732000, 6884976000, 10327464000, 20654928000]

約数ペア:

[(1, 20654928000), (2, 10327464000), (3, 6884976000), (4, 5163732000), (5, 4130985600), (6, 3442488000), (7, 2950704000), (8, 2581866000), (9, 2294992000), (10, 2065492800), (12, 1721244000), (14, 1475352000), (15, 1376995200), (16, 1290933000), (18, 1147496000), (20, 1032746400), (21, 983568000), (24, 860622000), (25, 826197120), (28, 737676000), (30, 688497600), (31, 666288000), (32, 645466500), (35, 590140800), (36, 573748000), (40, 516373200), (42, 491784000), (45, 458998400), (48, 430311000), (50, 413098560), (56, 368838000), (60, 344248800), (62, 333144000), (63, 327856000), (64, 322733250), (70, 295070400), (72, 286874000), (75, 275399040), (80, 258186600), (84, 245892000), (90, 229499200), (93, 222096000), (96, 215155500), (100, 206549280), (105, 196713600), (112, 184419000), (120, 172124400), (124, 166572000), (125, 165239424), (126, 163928000), (128, 161366625), (140, 147535200), (144, 143437000), (150, 137699520), (155, 133257600), (160, 129093300), (168, 122946000), (175, 118028160), (180, 114749600), (186, 111048000), (192, 107577750), (200, 103274640), (210, 98356800), (217, 95184000), (224, 92209500), (225, 91799680), (240, 86062200), (248, 83286000), (250, 82619712), (252, 81964000), (279, 74032000), (280, 73767600), (288, 71718500), (300, 68849760), (310, 66628800), (315, 65571200), (320, 64546650), (336, 61473000), (350, 59014080), (360, 57374800), (372, 55524000), (375, 55079808), (384, 53788875), (400, 51637320), (420, 49178400), (434, 47592000), (448, 46104750), (450, 45899840), (465, 44419200), (480, 43031100), (496, 41643000), (500, 41309856), (504, 40982000), (525, 39342720), (558, 37016000), (560, 36883800), (576, 35859250), (600, 34424880), (620, 33314400), (630, 32785600), (640, 32273325), (651, 31728000), (661, 31248000), (672, 30736500), (700, 29507040), (720, 28687400), (744, 27762000), (750, 27539904), (775, 26651520), (800, 25818660), (840, 24589200), (868, 23796000), (875, 23605632), (896, 23052375), (900, 22949920), (930, 22209600), (960, 21515550), (992, 20821500), (1000, 20654928), (1008, 20491000), (1050, 19671360), (1085, 19036800), (1116, 18508000), (1120, 18441900), (1125, 18359936), (1152, 17929625), (1200, 17212440), (1240, 16657200), (1260, 16392800), (1302, 15864000), (1322, 15624000), (1344, 15368250), (1395, 14806400), (1400, 14753520), (1440, 14343700), (1488, 13881000), (1500, 13769952), (1550, 13325760), (1575, 13114240), (1600, 12909330), (1680, 12294600), (1736, 11898000), (1750, 11802816), (1800, 11474960), (1860, 11104800), (1920, 10757775), (1953, 10576000), (1983, 10416000), (1984, 10410750), (2000, 10327464), (2016, 10245500), (2100, 9835680), (2170, 9518400), (2232, 9254000), (2240, 9220950), (2250, 9179968), (2325, 8883840), (2400, 8606220), (2480, 8328600), (2520, 8196400), (2604, 7932000), (2625, 7868544), (2644, 7812000), (2688, 7684125), (2790, 7403200), (2800, 7376760), (2880, 7171850), (2976, 6940500), (3000, 6884976), (3100, 6662880), (3150, 6557120), (3200, 6454665), (3255, 6345600), (3305, 6249600), (3360, 6147300), (3472, 5949000), (3500, 5901408), (3600, 5737480), (3720, 5552400), (3875, 5330304), (3906, 5288000), (3966, 5208000), (3968, 5205375), (4000, 5163732), (4032, 5122750), (4200, 4917840), (4340, 4759200), (4464, 4627000), (4480, 4610475), (4500, 4589984), (4627, 4464000), (4650, 4441920), (4800, 4303110), (4960, 4164300), (5040, 4098200), (5208, 3966000), (5250, 3934272), (5288, 3906000), (5425, 3807360), (5580, 3701600), (5600, 3688380), (5760, 3585925), (5949, 3472000), (5952, 3470250), (6000, 3442488), (6200, 3331440), (6300, 3278560), (6510, 3172800), (6610, 3124800), (6720, 3073650), (6944, 2974500), (6975, 2961280), (7000, 2950704), (7200, 2868740), (7440, 2776200), (7750, 2665152), (7812, 2644000), (7875, 2622848), (7932, 2604000), (8000, 2581866), (8064, 2561375), (8400, 2458920), (8680, 2379600), (8928, 2313500), (9000, 2294992), (9254, 2232000), (9300, 2220960), (9600, 2151555), (9765, 2115200), (9915, 2083200), (9920, 2082150), (10080, 2049100), (10416, 1983000), (10500, 1967136), (10576, 1953000), (10850, 1903680), (11160, 1850800), (11200, 1844190), (11625, 1776768), (11898, 1736000), (11904, 1735125), (12000, 1721244), (12400, 1665720), (12600, 1639280), (13020, 1586400), (13220, 1562400), (13440, 1536825), (13881, 1488000), (13888, 1487250), (13950, 1480640), (14000, 1475352), (14400, 1434370), (14880, 1388100), (15500, 1332576), (15624, 1322000), (15750, 1311424), (15864, 1302000), (16000, 1290933), (16275, 1269120), (16525, 1249920), (16800, 1229460), (17360, 1189800), (17856, 1156750), (18000, 1147496), (18508, 1116000), (18600, 1110480), (19530, 1057600), (19830, 1041600), (19840, 1041075), (20160, 1024550), (20491, 1008000), (20832, 991500), (21000, 983568), (21152, 976500), (21700, 951840), (22320, 925400), (22400, 922095), (23135, 892800), (23250, 888384), (23796, 868000), (24000, 860622), (24800, 832860), (25200, 819640), (26040, 793200), (26440, 781200), (27125, 761472), (27762, 744000), (27776, 743625), (27900, 740320), (28000, 737676), (28800, 717185), (29745, 694400), (29760, 694050), (31000, 666288), (31248, 661000), (31500, 655712), (31728, 651000), (32550, 634560), (33050, 624960), (33600, 614730), (34720, 594900), (34875, 592256), (35712, 578375), (36000, 573748), (37016, 558000), (37200, 555240), (39060, 528800), (39660, 520800), (40320, 512275), (40982, 504000), (41643, 496000), (41664, 495750), (42000, 491784), (42304, 488250), (43400, 475920), (44640, 462700), (46270, 446400), (46500, 444192), (47592, 434000), (48000, 430311), (48825, 423040), (49575, 416640), (49600, 416430), (50400, 409820), (52080, 396600), (52880, 390600), (54250, 380736), (55524, 372000), (55800, 370160), (56000, 368838), (59490, 347200), (59520, 347025), (61473, 336000), (62000, 333144), (62496, 330500), (63000, 327856), (63456, 325500), (65100, 317280), (66100, 312480), (67200, 307365), (69405, 297600), (69440, 297450), (69750, 296128), (72000, 286874), (74032, 279000), (74400, 277620), (78120, 264400), (79320, 260400), (81375, 253824), (81964, 252000), (82625, 249984), (83286, 248000), (83328, 247875), (84000, 245892), (84608, 244125), (86800, 237960), (89280, 231350), (92540, 223200), (93000, 222096), (95184, 217000), (97650, 211520), (99150, 208320), (99200, 208215), (100800, 204910), (102455, 201600), (104160, 198300), (105760, 195300), (108500, 190368), (111048, 186000), (111600, 185080), (112000, 184419), (115675, 178560), (118980, 173600), (122946, 168000), (124000, 166572), (124992, 165250), (126000, 163928), (126912, 162750), (130200, 158640), (132200, 156240), (138810, 148800), (138880, 148725), (139500, 148064), (143437, 144000)]