80471040

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 264

約数和(自身を含む): 287693568

約数和(自身を除く): 207222528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 169, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 338, 372, 384, 390, 403, 416, 465, 480, 496, 507, 512, 520, 620, 624, 640, 676, 744, 768, 780, 806, 832, 845, 930, 960, 992, 1014, 1024, 1040, 1209, 1240, 1248, 1280, 1352, 1488, 1536, 1560, 1612, 1664, 1690, 1860, 1920, 1984, 2015, 2028, 2080, 2418, 2480, 2496, 2535, 2560, 2704, 2976, 3072, 3120, 3224, 3328, 3380, 3720, 3840, 3968, 4030, 4056, 4160, 4836, 4960, 4992, 5070, 5120, 5239, 5408, 5952, 6045, 6240, 6448, 6656, 6760, 7440, 7680, 7936, 8060, 8112, 8320, 9672, 9920, 9984, 10140, 10478, 10816, 11904, 12090, 12480, 12896, 13312, 13520, 14880, 15360, 15717, 15872, 16120, 16224, 16640, 19344, 19840, 19968, 20280, 20956, 21632, 23808, 24180, 24960, 25792, 26195, 27040, 29760, 31434, 31744, 32240, 32448, 33280, 38688, 39680, 39936, 40560, 41912, 43264, 47616, 48360, 49920, 51584, 52390, 54080, 59520, 62868, 64480, 64896, 66560, 77376, 78585, 79360, 81120, 83824, 86528, 95232, 96720, 99840, 103168, 104780, 108160, 119040, 125736, 128960, 129792, 154752, 157170, 158720, 162240, 167648, 173056, 193440, 199680, 206336, 209560, 216320, 238080, 251472, 257920, 259584, 309504, 314340, 324480, 335296, 386880, 412672, 419120, 432640, 476160, 502944, 515840, 519168, 619008, 628680, 648960, 670592, 773760, 838240, 865280, 1005888, 1031680, 1238016, 1257360, 1297920, 1341184, 1547520, 1676480, 2011776, 2063360, 2514720, 2595840, 2682368, 3095040, 3352960, 4023552, 5029440, 5364736, 6190080, 6705920, 8047104, 10058880, 13411840, 16094208, 20117760, 26823680, 40235520, 80471040]

約数ペア:

[(1, 80471040), (2, 40235520), (3, 26823680), (4, 20117760), (5, 16094208), (6, 13411840), (8, 10058880), (10, 8047104), (12, 6705920), (13, 6190080), (15, 5364736), (16, 5029440), (20, 4023552), (24, 3352960), (26, 3095040), (30, 2682368), (31, 2595840), (32, 2514720), (39, 2063360), (40, 2011776), (48, 1676480), (52, 1547520), (60, 1341184), (62, 1297920), (64, 1257360), (65, 1238016), (78, 1031680), (80, 1005888), (93, 865280), (96, 838240), (104, 773760), (120, 670592), (124, 648960), (128, 628680), (130, 619008), (155, 519168), (156, 515840), (160, 502944), (169, 476160), (186, 432640), (192, 419120), (195, 412672), (208, 386880), (240, 335296), (248, 324480), (256, 314340), (260, 309504), (310, 259584), (312, 257920), (320, 251472), (338, 238080), (372, 216320), (384, 209560), (390, 206336), (403, 199680), (416, 193440), (465, 173056), (480, 167648), (496, 162240), (507, 158720), (512, 157170), (520, 154752), (620, 129792), (624, 128960), (640, 125736), (676, 119040), (744, 108160), (768, 104780), (780, 103168), (806, 99840), (832, 96720), (845, 95232), (930, 86528), (960, 83824), (992, 81120), (1014, 79360), (1024, 78585), (1040, 77376), (1209, 66560), (1240, 64896), (1248, 64480), (1280, 62868), (1352, 59520), (1488, 54080), (1536, 52390), (1560, 51584), (1612, 49920), (1664, 48360), (1690, 47616), (1860, 43264), (1920, 41912), (1984, 40560), (2015, 39936), (2028, 39680), (2080, 38688), (2418, 33280), (2480, 32448), (2496, 32240), (2535, 31744), (2560, 31434), (2704, 29760), (2976, 27040), (3072, 26195), (3120, 25792), (3224, 24960), (3328, 24180), (3380, 23808), (3720, 21632), (3840, 20956), (3968, 20280), (4030, 19968), (4056, 19840), (4160, 19344), (4836, 16640), (4960, 16224), (4992, 16120), (5070, 15872), (5120, 15717), (5239, 15360), (5408, 14880), (5952, 13520), (6045, 13312), (6240, 12896), (6448, 12480), (6656, 12090), (6760, 11904), (7440, 10816), (7680, 10478), (7936, 10140), (8060, 9984), (8112, 9920), (8320, 9672)]