668158848

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 256

約数和(自身を含む): 2291328000

約数和(自身を除く): 1623169152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 71, 72, 84, 96, 108, 112, 126, 128, 142, 144, 168, 189, 192, 213, 216, 224, 252, 284, 288, 336, 378, 384, 389, 426, 432, 448, 497, 504, 568, 576, 639, 672, 756, 778, 852, 864, 896, 994, 1008, 1136, 1152, 1167, 1278, 1344, 1491, 1512, 1556, 1704, 1728, 1917, 1988, 2016, 2272, 2334, 2556, 2688, 2723, 2982, 3024, 3112, 3408, 3456, 3501, 3834, 3976, 4032, 4473, 4544, 4668, 5112, 5446, 5964, 6048, 6224, 6816, 7002, 7668, 7952, 8064, 8169, 8946, 9088, 9336, 10224, 10503, 10892, 11928, 12096, 12448, 13419, 13632, 14004, 15336, 15904, 16338, 17892, 18672, 20448, 21006, 21784, 23856, 24192, 24507, 24896, 26838, 27264, 27619, 28008, 30672, 31808, 32676, 35784, 37344, 40896, 42012, 43568, 47712, 49014, 49792, 53676, 55238, 56016, 61344, 63616, 65352, 71568, 73521, 74688, 81792, 82857, 84024, 87136, 95424, 98028, 107352, 110476, 112032, 122688, 130704, 143136, 147042, 149376, 165714, 168048, 174272, 190848, 193333, 196056, 214704, 220952, 224064, 245376, 248571, 261408, 286272, 294084, 331428, 336096, 348544, 386666, 392112, 429408, 441904, 448128, 497142, 522816, 572544, 579999, 588168, 662856, 672192, 745713, 773332, 784224, 858816, 883808, 994284, 1045632, 1159998, 1176336, 1325712, 1344384, 1491426, 1546664, 1568448, 1717632, 1739997, 1767616, 1988568, 2319996, 2352672, 2651424, 2982852, 3093328, 3136896, 3479994, 3535232, 3977136, 4639992, 4705344, 5219991, 5302848, 5965704, 6186656, 6959988, 7954272, 9279984, 9410688, 10439982, 10605696, 11931408, 12373312, 13919976, 15908544, 18559968, 20879964, 23862816, 24746624, 27839952, 31817088, 37119936, 41759928, 47725632, 55679904, 74239872, 83519856, 95451264, 111359808, 167039712, 222719616, 334079424, 668158848]

約数ペア:

[(1, 668158848), (2, 334079424), (3, 222719616), (4, 167039712), (6, 111359808), (7, 95451264), (8, 83519856), (9, 74239872), (12, 55679904), (14, 47725632), (16, 41759928), (18, 37119936), (21, 31817088), (24, 27839952), (27, 24746624), (28, 23862816), (32, 20879964), (36, 18559968), (42, 15908544), (48, 13919976), (54, 12373312), (56, 11931408), (63, 10605696), (64, 10439982), (71, 9410688), (72, 9279984), (84, 7954272), (96, 6959988), (108, 6186656), (112, 5965704), (126, 5302848), (128, 5219991), (142, 4705344), (144, 4639992), (168, 3977136), (189, 3535232), (192, 3479994), (213, 3136896), (216, 3093328), (224, 2982852), (252, 2651424), (284, 2352672), (288, 2319996), (336, 1988568), (378, 1767616), (384, 1739997), (389, 1717632), (426, 1568448), (432, 1546664), (448, 1491426), (497, 1344384), (504, 1325712), (568, 1176336), (576, 1159998), (639, 1045632), (672, 994284), (756, 883808), (778, 858816), (852, 784224), (864, 773332), (896, 745713), (994, 672192), (1008, 662856), (1136, 588168), (1152, 579999), (1167, 572544), (1278, 522816), (1344, 497142), (1491, 448128), (1512, 441904), (1556, 429408), (1704, 392112), (1728, 386666), (1917, 348544), (1988, 336096), (2016, 331428), (2272, 294084), (2334, 286272), (2556, 261408), (2688, 248571), (2723, 245376), (2982, 224064), (3024, 220952), (3112, 214704), (3408, 196056), (3456, 193333), (3501, 190848), (3834, 174272), (3976, 168048), (4032, 165714), (4473, 149376), (4544, 147042), (4668, 143136), (5112, 130704), (5446, 122688), (5964, 112032), (6048, 110476), (6224, 107352), (6816, 98028), (7002, 95424), (7668, 87136), (7952, 84024), (8064, 82857), (8169, 81792), (8946, 74688), (9088, 73521), (9336, 71568), (10224, 65352), (10503, 63616), (10892, 61344), (11928, 56016), (12096, 55238), (12448, 53676), (13419, 49792), (13632, 49014), (14004, 47712), (15336, 43568), (15904, 42012), (16338, 40896), (17892, 37344), (18672, 35784), (20448, 32676), (21006, 31808), (21784, 30672), (23856, 28008), (24192, 27619), (24507, 27264), (24896, 26838)]