681215808

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 224

約数和(自身を含む): 2243067904

約数和(自身を除く): 1561852096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 127, 156, 168, 182, 192, 208, 224, 254, 273, 307, 312, 336, 364, 381, 416, 448, 508, 546, 614, 624, 672, 728, 762, 832, 889, 921, 1016, 1092, 1228, 1248, 1344, 1456, 1524, 1651, 1778, 1842, 2032, 2149, 2184, 2456, 2496, 2667, 2912, 3048, 3302, 3556, 3684, 3991, 4064, 4298, 4368, 4912, 4953, 5334, 5824, 6096, 6447, 6604, 7112, 7368, 7982, 8128, 8596, 8736, 9824, 9906, 10668, 11557, 11973, 12192, 12894, 13208, 14224, 14736, 15964, 17192, 17472, 19648, 19812, 21336, 23114, 23946, 24384, 25788, 26416, 27937, 28448, 29472, 31928, 34384, 34671, 38989, 39624, 42672, 46228, 47892, 51576, 52832, 55874, 56896, 58944, 63856, 68768, 69342, 77978, 79248, 83811, 85344, 92456, 95784, 103152, 105664, 111748, 116967, 127712, 137536, 138684, 155956, 158496, 167622, 170688, 184912, 191568, 206304, 223496, 233934, 255424, 272923, 277368, 311912, 316992, 335244, 369824, 383136, 412608, 446992, 467868, 506857, 545846, 554736, 623824, 670488, 739648, 766272, 818769, 893984, 935736, 1013714, 1091692, 1109472, 1247648, 1340976, 1520571, 1637538, 1787968, 1871472, 2027428, 2183384, 2218944, 2495296, 2681952, 3041142, 3275076, 3547999, 3742944, 4054856, 4366768, 5363904, 6082284, 6550152, 7095998, 7485888, 8109712, 8733536, 10643997, 12164568, 13100304, 14191996, 16219424, 17467072, 21287994, 24329136, 26200608, 28383992, 32438848, 42575988, 48658272, 52401216, 56767984, 85151976, 97316544, 113535968, 170303952, 227071936, 340607904, 681215808]

約数ペア:

[(1, 681215808), (2, 340607904), (3, 227071936), (4, 170303952), (6, 113535968), (7, 97316544), (8, 85151976), (12, 56767984), (13, 52401216), (14, 48658272), (16, 42575988), (21, 32438848), (24, 28383992), (26, 26200608), (28, 24329136), (32, 21287994), (39, 17467072), (42, 16219424), (48, 14191996), (52, 13100304), (56, 12164568), (64, 10643997), (78, 8733536), (84, 8109712), (91, 7485888), (96, 7095998), (104, 6550152), (112, 6082284), (127, 5363904), (156, 4366768), (168, 4054856), (182, 3742944), (192, 3547999), (208, 3275076), (224, 3041142), (254, 2681952), (273, 2495296), (307, 2218944), (312, 2183384), (336, 2027428), (364, 1871472), (381, 1787968), (416, 1637538), (448, 1520571), (508, 1340976), (546, 1247648), (614, 1109472), (624, 1091692), (672, 1013714), (728, 935736), (762, 893984), (832, 818769), (889, 766272), (921, 739648), (1016, 670488), (1092, 623824), (1228, 554736), (1248, 545846), (1344, 506857), (1456, 467868), (1524, 446992), (1651, 412608), (1778, 383136), (1842, 369824), (2032, 335244), (2149, 316992), (2184, 311912), (2456, 277368), (2496, 272923), (2667, 255424), (2912, 233934), (3048, 223496), (3302, 206304), (3556, 191568), (3684, 184912), (3991, 170688), (4064, 167622), (4298, 158496), (4368, 155956), (4912, 138684), (4953, 137536), (5334, 127712), (5824, 116967), (6096, 111748), (6447, 105664), (6604, 103152), (7112, 95784), (7368, 92456), (7982, 85344), (8128, 83811), (8596, 79248), (8736, 77978), (9824, 69342), (9906, 68768), (10668, 63856), (11557, 58944), (11973, 56896), (12192, 55874), (12894, 52832), (13208, 51576), (14224, 47892), (14736, 46228), (15964, 42672), (17192, 39624), (17472, 38989), (19648, 34671), (19812, 34384), (21336, 31928), (23114, 29472), (23946, 28448), (24384, 27937), (25788, 26416)]