20681516160

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1978

約数の個数: 384

約数和(自身を含む): 75144101760

約数和(自身を除く): 54462585600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 81, 90, 96, 108, 120, 128, 135, 142, 144, 160, 162, 180, 192, 213, 216, 240, 243, 270, 284, 288, 320, 324, 355, 360, 384, 405, 426, 432, 480, 486, 540, 568, 576, 639, 640, 648, 710, 720, 810, 852, 864, 960, 972, 1065, 1080, 1136, 1152, 1215, 1278, 1296, 1420, 1440, 1620, 1704, 1728, 1873, 1917, 1920, 1944, 2130, 2160, 2272, 2430, 2556, 2592, 2840, 2880, 3195, 3240, 3408, 3456, 3746, 3834, 3888, 4260, 4320, 4544, 4860, 5112, 5184, 5619, 5680, 5751, 5760, 6390, 6480, 6816, 7492, 7668, 7776, 8520, 8640, 9088, 9365, 9585, 9720, 10224, 10368, 11238, 11360, 11502, 12780, 12960, 13632, 14984, 15336, 15552, 16857, 17040, 17253, 17280, 18730, 19170, 19440, 20448, 22476, 22720, 23004, 25560, 25920, 27264, 28095, 28755, 29968, 30672, 31104, 33714, 34080, 34506, 37460, 38340, 38880, 40896, 44952, 45440, 46008, 50571, 51120, 51840, 56190, 57510, 59936, 61344, 67428, 68160, 69012, 74920, 76680, 77760, 81792, 84285, 86265, 89904, 92016, 101142, 102240, 112380, 115020, 119872, 122688, 132983, 134856, 136320, 138024, 149840, 151713, 153360, 155520, 168570, 172530, 179808, 184032, 202284, 204480, 224760, 230040, 239744, 245376, 252855, 265966, 269712, 276048, 299680, 303426, 306720, 337140, 345060, 359616, 368064, 398949, 404568, 408960, 449520, 455139, 460080, 505710, 531932, 539424, 552096, 599360, 606852, 613440, 664915, 674280, 690120, 719232, 736128, 758565, 797898, 809136, 899040, 910278, 920160, 1011420, 1063864, 1078848, 1104192, 1196847, 1198720, 1213704, 1226880, 1329830, 1348560, 1380240, 1517130, 1595796, 1618272, 1798080, 1820556, 1840320, 1994745, 2022840, 2127728, 2157696, 2208384, 2275695, 2393694, 2427408, 2659660, 2697120, 2760480, 3034260, 3191592, 3236544, 3590541, 3596160, 3641112, 3680640, 3989490, 4045680, 4255456, 4551390, 4787388, 4854816, 5319320, 5394240, 5520960, 5984235, 6068520, 6383184, 6473088, 7181082, 7282224, 7978980, 8091360, 8510912, 9102780, 9574776, 9709632, 10638640, 10771623, 10788480, 11041920, 11968470, 12137040, 12766368, 14362164, 14564448, 15957960, 16182720, 17021824, 17952705, 18205560, 19149552, 19419264, 21277280, 21543246, 23936940, 24274080, 25532736, 28724328, 29128896, 31915920, 32314869, 32365440, 35905410, 36411120, 38299104, 42554560, 43086492, 47873880, 48548160, 51065472, 53858115, 57448656, 58257792, 63831840, 64629738, 71810820, 72822240, 76598208, 85109120, 86172984, 95747760, 97096320, 107716230, 114897312, 127663680, 129259476, 143621640, 145644480, 153196416, 161574345, 172345968, 191495520, 215432460, 229794624, 255327360, 258518952, 287243280, 291288960, 323148690, 344691936, 382991040, 430864920, 459589248, 517037904, 574486560, 646297380, 689383872, 765982080, 861729840, 1034075808, 1148973120, 1292594760, 1378767744, 1723459680, 2068151616, 2297946240, 2585189520, 3446919360, 4136303232, 5170379040, 6893838720, 10340758080, 20681516160]

約数ペア:

[(1, 20681516160), (2, 10340758080), (3, 6893838720), (4, 5170379040), (5, 4136303232), (6, 3446919360), (8, 2585189520), (9, 2297946240), (10, 2068151616), (12, 1723459680), (15, 1378767744), (16, 1292594760), (18, 1148973120), (20, 1034075808), (24, 861729840), (27, 765982080), (30, 689383872), (32, 646297380), (36, 574486560), (40, 517037904), (45, 459589248), (48, 430864920), (54, 382991040), (60, 344691936), (64, 323148690), (71, 291288960), (72, 287243280), (80, 258518952), (81, 255327360), (90, 229794624), (96, 215432460), (108, 191495520), (120, 172345968), (128, 161574345), (135, 153196416), (142, 145644480), (144, 143621640), (160, 129259476), (162, 127663680), (180, 114897312), (192, 107716230), (213, 97096320), (216, 95747760), (240, 86172984), (243, 85109120), (270, 76598208), (284, 72822240), (288, 71810820), (320, 64629738), (324, 63831840), (355, 58257792), (360, 57448656), (384, 53858115), (405, 51065472), (426, 48548160), (432, 47873880), (480, 43086492), (486, 42554560), (540, 38299104), (568, 36411120), (576, 35905410), (639, 32365440), (640, 32314869), (648, 31915920), (710, 29128896), (720, 28724328), (810, 25532736), (852, 24274080), (864, 23936940), (960, 21543246), (972, 21277280), (1065, 19419264), (1080, 19149552), (1136, 18205560), (1152, 17952705), (1215, 17021824), (1278, 16182720), (1296, 15957960), (1420, 14564448), (1440, 14362164), (1620, 12766368), (1704, 12137040), (1728, 11968470), (1873, 11041920), (1917, 10788480), (1920, 10771623), (1944, 10638640), (2130, 9709632), (2160, 9574776), (2272, 9102780), (2430, 8510912), (2556, 8091360), (2592, 7978980), (2840, 7282224), (2880, 7181082), (3195, 6473088), (3240, 6383184), (3408, 6068520), (3456, 5984235), (3746, 5520960), (3834, 5394240), (3888, 5319320), (4260, 4854816), (4320, 4787388), (4544, 4551390), (4860, 4255456), (5112, 4045680), (5184, 3989490), (5619, 3680640), (5680, 3641112), (5751, 3596160), (5760, 3590541), (6390, 3236544), (6480, 3191592), (6816, 3034260), (7492, 2760480), (7668, 2697120), (7776, 2659660), (8520, 2427408), (8640, 2393694), (9088, 2275695), (9365, 2208384), (9585, 2157696), (9720, 2127728), (10224, 2022840), (10368, 1994745), (11238, 1840320), (11360, 1820556), (11502, 1798080), (12780, 1618272), (12960, 1595796), (13632, 1517130), (14984, 1380240), (15336, 1348560), (15552, 1329830), (16857, 1226880), (17040, 1213704), (17253, 1198720), (17280, 1196847), (18730, 1104192), (19170, 1078848), (19440, 1063864), (20448, 1011420), (22476, 920160), (22720, 910278), (23004, 899040), (25560, 809136), (25920, 797898), (27264, 758565), (28095, 736128), (28755, 719232), (29968, 690120), (30672, 674280), (31104, 664915), (33714, 613440), (34080, 606852), (34506, 599360), (37460, 552096), (38340, 539424), (38880, 531932), (40896, 505710), (44952, 460080), (45440, 455139), (46008, 449520), (50571, 408960), (51120, 404568), (51840, 398949), (56190, 368064), (57510, 359616), (59936, 345060), (61344, 337140), (67428, 306720), (68160, 303426), (69012, 299680), (74920, 276048), (76680, 269712), (77760, 265966), (81792, 252855), (84285, 245376), (86265, 239744), (89904, 230040), (92016, 224760), (101142, 204480), (102240, 202284), (112380, 184032), (115020, 179808), (119872, 172530), (122688, 168570), (132983, 155520), (134856, 153360), (136320, 151713), (138024, 149840)]