639561216

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3499}}^1$

素因数の和:3544

約数の個数: 160

約数和(自身を含む): 2062368000

約数和(自身を除く): 1422806784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 128, 136, 168, 192, 204, 224, 238, 256, 272, 336, 357, 384, 408, 448, 476, 512, 544, 672, 714, 768, 816, 896, 952, 1088, 1344, 1428, 1536, 1632, 1792, 1904, 2176, 2688, 2856, 3264, 3499, 3584, 3808, 4352, 5376, 5712, 6528, 6998, 7616, 8704, 10497, 10752, 11424, 13056, 13996, 15232, 20994, 22848, 24493, 26112, 27992, 30464, 41988, 45696, 48986, 55984, 59483, 60928, 73479, 83976, 91392, 97972, 111968, 118966, 146958, 167952, 178449, 182784, 195944, 223936, 237932, 293916, 335904, 356898, 391888, 416381, 447872, 475864, 587832, 671808, 713796, 783776, 832762, 895744, 951728, 1175664, 1249143, 1343616, 1427592, 1567552, 1665524, 1791488, 1903456, 2351328, 2498286, 2687232, 2855184, 3135104, 3331048, 3806912, 4702656, 4996572, 5374464, 5710368, 6270208, 6662096, 7613824, 9405312, 9993144, 11420736, 12540416, 13324192, 15227648, 18810624, 19986288, 22841472, 26648384, 30455296, 37621248, 39972576, 45682944, 53296768, 79945152, 91365888, 106593536, 159890304, 213187072, 319780608, 639561216]

約数ペア:

[(1, 639561216), (2, 319780608), (3, 213187072), (4, 159890304), (6, 106593536), (7, 91365888), (8, 79945152), (12, 53296768), (14, 45682944), (16, 39972576), (17, 37621248), (21, 30455296), (24, 26648384), (28, 22841472), (32, 19986288), (34, 18810624), (42, 15227648), (48, 13324192), (51, 12540416), (56, 11420736), (64, 9993144), (68, 9405312), (84, 7613824), (96, 6662096), (102, 6270208), (112, 5710368), (119, 5374464), (128, 4996572), (136, 4702656), (168, 3806912), (192, 3331048), (204, 3135104), (224, 2855184), (238, 2687232), (256, 2498286), (272, 2351328), (336, 1903456), (357, 1791488), (384, 1665524), (408, 1567552), (448, 1427592), (476, 1343616), (512, 1249143), (544, 1175664), (672, 951728), (714, 895744), (768, 832762), (816, 783776), (896, 713796), (952, 671808), (1088, 587832), (1344, 475864), (1428, 447872), (1536, 416381), (1632, 391888), (1792, 356898), (1904, 335904), (2176, 293916), (2688, 237932), (2856, 223936), (3264, 195944), (3499, 182784), (3584, 178449), (3808, 167952), (4352, 146958), (5376, 118966), (5712, 111968), (6528, 97972), (6998, 91392), (7616, 83976), (8704, 73479), (10497, 60928), (10752, 59483), (11424, 55984), (13056, 48986), (13996, 45696), (15232, 41988), (20994, 30464), (22848, 27992), (24493, 26112)]