31489920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 384

約数和(自身を含む): 137479680

約数和(自身を除く): 105989760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 64, 66, 70, 71, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 128, 132, 140, 142, 144, 154, 160, 165, 168, 176, 180, 192, 198, 210, 213, 220, 224, 231, 240, 252, 264, 280, 284, 288, 308, 315, 320, 330, 336, 352, 355, 360, 384, 385, 396, 420, 426, 440, 448, 462, 480, 495, 497, 504, 528, 560, 568, 576, 616, 630, 639, 640, 660, 672, 693, 704, 710, 720, 770, 781, 792, 840, 852, 880, 896, 924, 960, 990, 994, 1008, 1056, 1065, 1120, 1136, 1152, 1155, 1232, 1260, 1278, 1320, 1344, 1386, 1408, 1420, 1440, 1491, 1540, 1562, 1584, 1680, 1704, 1760, 1848, 1920, 1980, 1988, 2016, 2112, 2130, 2240, 2272, 2310, 2343, 2464, 2485, 2520, 2556, 2640, 2688, 2772, 2840, 2880, 2982, 3080, 3124, 3168, 3195, 3360, 3408, 3465, 3520, 3696, 3905, 3960, 3976, 4032, 4224, 4260, 4473, 4480, 4544, 4620, 4686, 4928, 4970, 5040, 5112, 5280, 5467, 5544, 5680, 5760, 5964, 6160, 6248, 6336, 6390, 6720, 6816, 6930, 7029, 7040, 7392, 7455, 7810, 7920, 7952, 8064, 8520, 8946, 9088, 9240, 9372, 9856, 9940, 10080, 10224, 10560, 10934, 11088, 11360, 11715, 11928, 12320, 12496, 12672, 12780, 13440, 13632, 13860, 14058, 14784, 14910, 15620, 15840, 15904, 16401, 17040, 17892, 18480, 18744, 19880, 20160, 20448, 21120, 21868, 22176, 22365, 22720, 23430, 23856, 24640, 24992, 25560, 27264, 27335, 27720, 28116, 29568, 29820, 31240, 31680, 31808, 32802, 34080, 35145, 35784, 36960, 37488, 39760, 40320, 40896, 43736, 44352, 44730, 45440, 46860, 47712, 49203, 49280, 49984, 51120, 54670, 55440, 56232, 59640, 62480, 63360, 63616, 65604, 68160, 70290, 71568, 73920, 74976, 79520, 81792, 82005, 87472, 88704, 89460, 93720, 95424, 98406, 99968, 102240, 109340, 110880, 112464, 119280, 124960, 131208, 136320, 140580, 143136, 147840, 149952, 159040, 164010, 174944, 178920, 187440, 190848, 196812, 204480, 218680, 221760, 224928, 238560, 246015, 249920, 262416, 281160, 286272, 299904, 318080, 328020, 349888, 357840, 374880, 393624, 408960, 437360, 443520, 449856, 477120, 492030, 499840, 524832, 562320, 572544, 656040, 699776, 715680, 749760, 787248, 874720, 899712, 954240, 984060, 1049664, 1124640, 1312080, 1431360, 1499520, 1574496, 1749440, 1968120, 2099328, 2249280, 2624160, 2862720, 3148992, 3498880, 3936240, 4498560, 5248320, 6297984, 7872480, 10496640, 15744960, 31489920]

約数ペア:

[(1, 31489920), (2, 15744960), (3, 10496640), (4, 7872480), (5, 6297984), (6, 5248320), (7, 4498560), (8, 3936240), (9, 3498880), (10, 3148992), (11, 2862720), (12, 2624160), (14, 2249280), (15, 2099328), (16, 1968120), (18, 1749440), (20, 1574496), (21, 1499520), (22, 1431360), (24, 1312080), (28, 1124640), (30, 1049664), (32, 984060), (33, 954240), (35, 899712), (36, 874720), (40, 787248), (42, 749760), (44, 715680), (45, 699776), (48, 656040), (55, 572544), (56, 562320), (60, 524832), (63, 499840), (64, 492030), (66, 477120), (70, 449856), (71, 443520), (72, 437360), (77, 408960), (80, 393624), (84, 374880), (88, 357840), (90, 349888), (96, 328020), (99, 318080), (105, 299904), (110, 286272), (112, 281160), (120, 262416), (126, 249920), (128, 246015), (132, 238560), (140, 224928), (142, 221760), (144, 218680), (154, 204480), (160, 196812), (165, 190848), (168, 187440), (176, 178920), (180, 174944), (192, 164010), (198, 159040), (210, 149952), (213, 147840), (220, 143136), (224, 140580), (231, 136320), (240, 131208), (252, 124960), (264, 119280), (280, 112464), (284, 110880), (288, 109340), (308, 102240), (315, 99968), (320, 98406), (330, 95424), (336, 93720), (352, 89460), (355, 88704), (360, 87472), (384, 82005), (385, 81792), (396, 79520), (420, 74976), (426, 73920), (440, 71568), (448, 70290), (462, 68160), (480, 65604), (495, 63616), (497, 63360), (504, 62480), (528, 59640), (560, 56232), (568, 55440), (576, 54670), (616, 51120), (630, 49984), (639, 49280), (640, 49203), (660, 47712), (672, 46860), (693, 45440), (704, 44730), (710, 44352), (720, 43736), (770, 40896), (781, 40320), (792, 39760), (840, 37488), (852, 36960), (880, 35784), (896, 35145), (924, 34080), (960, 32802), (990, 31808), (994, 31680), (1008, 31240), (1056, 29820), (1065, 29568), (1120, 28116), (1136, 27720), (1152, 27335), (1155, 27264), (1232, 25560), (1260, 24992), (1278, 24640), (1320, 23856), (1344, 23430), (1386, 22720), (1408, 22365), (1420, 22176), (1440, 21868), (1491, 21120), (1540, 20448), (1562, 20160), (1584, 19880), (1680, 18744), (1704, 18480), (1760, 17892), (1848, 17040), (1920, 16401), (1980, 15904), (1988, 15840), (2016, 15620), (2112, 14910), (2130, 14784), (2240, 14058), (2272, 13860), (2310, 13632), (2343, 13440), (2464, 12780), (2485, 12672), (2520, 12496), (2556, 12320), (2640, 11928), (2688, 11715), (2772, 11360), (2840, 11088), (2880, 10934), (2982, 10560), (3080, 10224), (3124, 10080), (3168, 9940), (3195, 9856), (3360, 9372), (3408, 9240), (3465, 9088), (3520, 8946), (3696, 8520), (3905, 8064), (3960, 7952), (3976, 7920), (4032, 7810), (4224, 7455), (4260, 7392), (4473, 7040), (4480, 7029), (4544, 6930), (4620, 6816), (4686, 6720), (4928, 6390), (4970, 6336), (5040, 6248), (5112, 6160), (5280, 5964), (5467, 5760), (5544, 5680)]