281731968

素因数分解:

$2^7\times 3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 384

約数和(自身を含む): 1018368000

約数和(自身を除く): 736636032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 31, 32, 36, 42, 46, 48, 49, 56, 62, 63, 64, 69, 72, 84, 92, 93, 96, 98, 112, 124, 126, 128, 138, 144, 147, 161, 168, 184, 186, 192, 196, 207, 217, 224, 248, 252, 276, 279, 288, 294, 322, 336, 343, 368, 372, 384, 392, 414, 434, 441, 448, 483, 496, 504, 552, 558, 576, 588, 644, 651, 672, 686, 713, 736, 744, 784, 828, 868, 882, 896, 966, 992, 1008, 1029, 1104, 1116, 1127, 1152, 1176, 1288, 1302, 1344, 1372, 1426, 1449, 1472, 1488, 1519, 1568, 1656, 1736, 1764, 1932, 1953, 1984, 2016, 2058, 2139, 2208, 2232, 2254, 2352, 2576, 2604, 2688, 2744, 2852, 2898, 2944, 2976, 3038, 3087, 3136, 3312, 3381, 3472, 3528, 3864, 3906, 3968, 4032, 4116, 4278, 4416, 4464, 4508, 4557, 4704, 4991, 5152, 5208, 5488, 5704, 5796, 5952, 6076, 6174, 6272, 6417, 6624, 6762, 6944, 7056, 7728, 7812, 7889, 8064, 8232, 8556, 8832, 8928, 9016, 9114, 9408, 9982, 10143, 10304, 10416, 10633, 10976, 11408, 11592, 11904, 12152, 12348, 12834, 13248, 13524, 13671, 13888, 14112, 14973, 15456, 15624, 15778, 16464, 17112, 17856, 18032, 18228, 18816, 19964, 20286, 20608, 20832, 21266, 21952, 22816, 23184, 23667, 24304, 24696, 25668, 26496, 27048, 27342, 27776, 28224, 29946, 30912, 31248, 31556, 31899, 32928, 34224, 34937, 35712, 36064, 36456, 39928, 40572, 41664, 42532, 43904, 44919, 45632, 46368, 47334, 48608, 49392, 51336, 54096, 54684, 56448, 59892, 61824, 62496, 63112, 63798, 65856, 68448, 69874, 71001, 72128, 72912, 79856, 81144, 83328, 85064, 89838, 91264, 92736, 94668, 95697, 97216, 98784, 102672, 104811, 108192, 109368, 119784, 124992, 126224, 127596, 131712, 136896, 139748, 142002, 144256, 145824, 159712, 162288, 170128, 179676, 185472, 189336, 191394, 194432, 197568, 205344, 209622, 216384, 218736, 239568, 244559, 249984, 252448, 255192, 273792, 279496, 284004, 291648, 314433, 319424, 324576, 340256, 359352, 378672, 382788, 395136, 410688, 419244, 432768, 437472, 479136, 489118, 504896, 510384, 558992, 568008, 583296, 628866, 638848, 649152, 680512, 718704, 733677, 757344, 765576, 821376, 838488, 874944, 958272, 978236, 1009792, 1020768, 1117984, 1136016, 1257732, 1298304, 1361024, 1437408, 1467354, 1514688, 1531152, 1676976, 1749888, 1916544, 1956472, 2041536, 2201031, 2235968, 2272032, 2515464, 2874816, 2934708, 3029376, 3062304, 3353952, 3912944, 4083072, 4402062, 4471936, 4544064, 5030928, 5749632, 5869416, 6124608, 6707904, 7825888, 8804124, 9088128, 10061856, 11738832, 12249216, 13415808, 15651776, 17608248, 20123712, 23477664, 31303552, 35216496, 40247424, 46955328, 70432992, 93910656, 140865984, 281731968]

約数ペア:

[(1, 281731968), (2, 140865984), (3, 93910656), (4, 70432992), (6, 46955328), (7, 40247424), (8, 35216496), (9, 31303552), (12, 23477664), (14, 20123712), (16, 17608248), (18, 15651776), (21, 13415808), (23, 12249216), (24, 11738832), (28, 10061856), (31, 9088128), (32, 8804124), (36, 7825888), (42, 6707904), (46, 6124608), (48, 5869416), (49, 5749632), (56, 5030928), (62, 4544064), (63, 4471936), (64, 4402062), (69, 4083072), (72, 3912944), (84, 3353952), (92, 3062304), (93, 3029376), (96, 2934708), (98, 2874816), (112, 2515464), (124, 2272032), (126, 2235968), (128, 2201031), (138, 2041536), (144, 1956472), (147, 1916544), (161, 1749888), (168, 1676976), (184, 1531152), (186, 1514688), (192, 1467354), (196, 1437408), (207, 1361024), (217, 1298304), (224, 1257732), (248, 1136016), (252, 1117984), (276, 1020768), (279, 1009792), (288, 978236), (294, 958272), (322, 874944), (336, 838488), (343, 821376), (368, 765576), (372, 757344), (384, 733677), (392, 718704), (414, 680512), (434, 649152), (441, 638848), (448, 628866), (483, 583296), (496, 568008), (504, 558992), (552, 510384), (558, 504896), (576, 489118), (588, 479136), (644, 437472), (651, 432768), (672, 419244), (686, 410688), (713, 395136), (736, 382788), (744, 378672), (784, 359352), (828, 340256), (868, 324576), (882, 319424), (896, 314433), (966, 291648), (992, 284004), (1008, 279496), (1029, 273792), (1104, 255192), (1116, 252448), (1127, 249984), (1152, 244559), (1176, 239568), (1288, 218736), (1302, 216384), (1344, 209622), (1372, 205344), (1426, 197568), (1449, 194432), (1472, 191394), (1488, 189336), (1519, 185472), (1568, 179676), (1656, 170128), (1736, 162288), (1764, 159712), (1932, 145824), (1953, 144256), (1984, 142002), (2016, 139748), (2058, 136896), (2139, 131712), (2208, 127596), (2232, 126224), (2254, 124992), (2352, 119784), (2576, 109368), (2604, 108192), (2688, 104811), (2744, 102672), (2852, 98784), (2898, 97216), (2944, 95697), (2976, 94668), (3038, 92736), (3087, 91264), (3136, 89838), (3312, 85064), (3381, 83328), (3472, 81144), (3528, 79856), (3864, 72912), (3906, 72128), (3968, 71001), (4032, 69874), (4116, 68448), (4278, 65856), (4416, 63798), (4464, 63112), (4508, 62496), (4557, 61824), (4704, 59892), (4991, 56448), (5152, 54684), (5208, 54096), (5488, 51336), (5704, 49392), (5796, 48608), (5952, 47334), (6076, 46368), (6174, 45632), (6272, 44919), (6417, 43904), (6624, 42532), (6762, 41664), (6944, 40572), (7056, 39928), (7728, 36456), (7812, 36064), (7889, 35712), (8064, 34937), (8232, 34224), (8556, 32928), (8832, 31899), (8928, 31556), (9016, 31248), (9114, 30912), (9408, 29946), (9982, 28224), (10143, 27776), (10304, 27342), (10416, 27048), (10633, 26496), (10976, 25668), (11408, 24696), (11592, 24304), (11904, 23667), (12152, 23184), (12348, 22816), (12834, 21952), (13248, 21266), (13524, 20832), (13671, 20608), (13888, 20286), (14112, 19964), (14973, 18816), (15456, 18228), (15624, 18032), (15778, 17856), (16464, 17112)]