20524400640

素因数分解:

$2^{15}\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 384

約数和(自身を含む): 73608912000

約数和(自身を除く): 53084511360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 449, 465, 480, 496, 512, 558, 576, 620, 640, 720, 744, 768, 898, 930, 960, 992, 1024, 1116, 1152, 1240, 1280, 1347, 1395, 1440, 1488, 1536, 1796, 1860, 1920, 1984, 2048, 2232, 2245, 2304, 2480, 2560, 2694, 2790, 2880, 2976, 3072, 3592, 3720, 3840, 3968, 4041, 4096, 4464, 4490, 4608, 4960, 5120, 5388, 5580, 5760, 5952, 6144, 6735, 7184, 7440, 7680, 7936, 8082, 8192, 8928, 8980, 9216, 9920, 10240, 10776, 11160, 11520, 11904, 12288, 13470, 13919, 14368, 14880, 15360, 15872, 16164, 16384, 17856, 17960, 18432, 19840, 20205, 20480, 21552, 22320, 23040, 23808, 24576, 26940, 27838, 28736, 29760, 30720, 31744, 32328, 32768, 35712, 35920, 36864, 39680, 40410, 40960, 41757, 43104, 44640, 46080, 47616, 49152, 53880, 55676, 57472, 59520, 61440, 63488, 64656, 69595, 71424, 71840, 73728, 79360, 80820, 81920, 83514, 86208, 89280, 92160, 95232, 98304, 107760, 111352, 114944, 119040, 122880, 125271, 126976, 129312, 139190, 142848, 143680, 147456, 158720, 161640, 163840, 167028, 172416, 178560, 184320, 190464, 208785, 215520, 222704, 229888, 238080, 245760, 250542, 253952, 258624, 278380, 285696, 287360, 294912, 317440, 323280, 334056, 344832, 357120, 368640, 380928, 417570, 431040, 445408, 459776, 476160, 491520, 501084, 507904, 517248, 556760, 571392, 574720, 626355, 634880, 646560, 668112, 689664, 714240, 737280, 761856, 835140, 862080, 890816, 919552, 952320, 1002168, 1015808, 1034496, 1113520, 1142784, 1149440, 1252710, 1269760, 1293120, 1336224, 1379328, 1428480, 1474560, 1523712, 1670280, 1724160, 1781632, 1839104, 1904640, 2004336, 2068992, 2227040, 2285568, 2298880, 2505420, 2539520, 2586240, 2672448, 2758656, 2856960, 3047424, 3340560, 3448320, 3563264, 3678208, 3809280, 4008672, 4137984, 4454080, 4571136, 4597760, 5010840, 5079040, 5172480, 5344896, 5517312, 5713920, 6681120, 6896640, 7126528, 7356416, 7618560, 8017344, 8275968, 8908160, 9142272, 9195520, 10021680, 10344960, 10689792, 11034624, 11427840, 13362240, 13793280, 14253056, 14712832, 15237120, 16034688, 16551936, 17816320, 18391040, 20043360, 20689920, 21379584, 22069248, 22855680, 26724480, 27586560, 28506112, 32069376, 33103872, 35632640, 36782080, 40086720, 41379840, 42759168, 44138496, 45711360, 53448960, 55173120, 57012224, 64138752, 66207744, 71265280, 73564160, 80173440, 82759680, 85518336, 106897920, 110346240, 114024448, 128277504, 132415488, 142530560, 160346880, 165519360, 171036672, 213795840, 220692480, 228048896, 256555008, 285061120, 320693760, 331038720, 342073344, 427591680, 456097792, 513110016, 570122240, 641387520, 662077440, 684146688, 855183360, 1026220032, 1140244480, 1282775040, 1368293376, 1710366720, 2052440064, 2280488960, 2565550080, 3420733440, 4104880128, 5131100160, 6841466880, 10262200320, 20524400640]

約数ペア:

[(1, 20524400640), (2, 10262200320), (3, 6841466880), (4, 5131100160), (5, 4104880128), (6, 3420733440), (8, 2565550080), (9, 2280488960), (10, 2052440064), (12, 1710366720), (15, 1368293376), (16, 1282775040), (18, 1140244480), (20, 1026220032), (24, 855183360), (30, 684146688), (31, 662077440), (32, 641387520), (36, 570122240), (40, 513110016), (45, 456097792), (48, 427591680), (60, 342073344), (62, 331038720), (64, 320693760), (72, 285061120), (80, 256555008), (90, 228048896), (93, 220692480), (96, 213795840), (120, 171036672), (124, 165519360), (128, 160346880), (144, 142530560), (155, 132415488), (160, 128277504), (180, 114024448), (186, 110346240), (192, 106897920), (240, 85518336), (248, 82759680), (256, 80173440), (279, 73564160), (288, 71265280), (310, 66207744), (320, 64138752), (360, 57012224), (372, 55173120), (384, 53448960), (449, 45711360), (465, 44138496), (480, 42759168), (496, 41379840), (512, 40086720), (558, 36782080), (576, 35632640), (620, 33103872), (640, 32069376), (720, 28506112), (744, 27586560), (768, 26724480), (898, 22855680), (930, 22069248), (960, 21379584), (992, 20689920), (1024, 20043360), (1116, 18391040), (1152, 17816320), (1240, 16551936), (1280, 16034688), (1347, 15237120), (1395, 14712832), (1440, 14253056), (1488, 13793280), (1536, 13362240), (1796, 11427840), (1860, 11034624), (1920, 10689792), (1984, 10344960), (2048, 10021680), (2232, 9195520), (2245, 9142272), (2304, 8908160), (2480, 8275968), (2560, 8017344), (2694, 7618560), (2790, 7356416), (2880, 7126528), (2976, 6896640), (3072, 6681120), (3592, 5713920), (3720, 5517312), (3840, 5344896), (3968, 5172480), (4041, 5079040), (4096, 5010840), (4464, 4597760), (4490, 4571136), (4608, 4454080), (4960, 4137984), (5120, 4008672), (5388, 3809280), (5580, 3678208), (5760, 3563264), (5952, 3448320), (6144, 3340560), (6735, 3047424), (7184, 2856960), (7440, 2758656), (7680, 2672448), (7936, 2586240), (8082, 2539520), (8192, 2505420), (8928, 2298880), (8980, 2285568), (9216, 2227040), (9920, 2068992), (10240, 2004336), (10776, 1904640), (11160, 1839104), (11520, 1781632), (11904, 1724160), (12288, 1670280), (13470, 1523712), (13919, 1474560), (14368, 1428480), (14880, 1379328), (15360, 1336224), (15872, 1293120), (16164, 1269760), (16384, 1252710), (17856, 1149440), (17960, 1142784), (18432, 1113520), (19840, 1034496), (20205, 1015808), (20480, 1002168), (21552, 952320), (22320, 919552), (23040, 890816), (23808, 862080), (24576, 835140), (26940, 761856), (27838, 737280), (28736, 714240), (29760, 689664), (30720, 668112), (31744, 646560), (32328, 634880), (32768, 626355), (35712, 574720), (35920, 571392), (36864, 556760), (39680, 517248), (40410, 507904), (40960, 501084), (41757, 491520), (43104, 476160), (44640, 459776), (46080, 445408), (47616, 431040), (49152, 417570), (53880, 380928), (55676, 368640), (57472, 357120), (59520, 344832), (61440, 334056), (63488, 323280), (64656, 317440), (69595, 294912), (71424, 287360), (71840, 285696), (73728, 278380), (79360, 258624), (80820, 253952), (81920, 250542), (83514, 245760), (86208, 238080), (89280, 229888), (92160, 222704), (95232, 215520), (98304, 208785), (107760, 190464), (111352, 184320), (114944, 178560), (119040, 172416), (122880, 167028), (125271, 163840), (126976, 161640), (129312, 158720), (139190, 147456), (142848, 143680)]