1680389928

素因数分解:

$2^3\times 3^3\times 7^3\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:686

約数の個数: 256

約数和(自身を含む): 5599680000

約数和(自身を除く): 3919290072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 49, 54, 56, 63, 72, 74, 84, 98, 108, 111, 126, 147, 148, 168, 189, 196, 216, 222, 252, 259, 294, 296, 333, 343, 378, 392, 441, 444, 504, 518, 588, 613, 666, 686, 756, 777, 882, 888, 999, 1029, 1036, 1176, 1226, 1323, 1332, 1372, 1512, 1554, 1764, 1813, 1839, 1998, 2058, 2072, 2331, 2452, 2646, 2664, 2744, 3087, 3108, 3528, 3626, 3678, 3996, 4116, 4291, 4662, 4904, 5292, 5439, 5517, 6174, 6216, 6993, 7252, 7356, 7992, 8232, 8582, 9261, 9324, 10584, 10878, 11034, 12348, 12691, 12873, 13986, 14504, 14712, 16317, 16551, 17164, 18522, 18648, 21756, 22068, 22681, 24696, 25382, 25746, 27972, 30037, 32634, 33102, 34328, 37044, 38073, 38619, 43512, 44136, 45362, 48951, 50764, 51492, 55944, 60074, 65268, 66204, 68043, 74088, 76146, 77238, 90111, 90724, 97902, 101528, 102984, 114219, 115857, 120148, 130536, 132408, 136086, 152292, 154476, 158767, 180222, 181448, 195804, 204129, 210259, 228438, 231714, 240296, 270333, 272172, 304584, 308952, 317534, 342657, 360444, 391608, 408258, 420518, 456876, 463428, 476301, 540666, 544344, 612387, 630777, 635068, 685314, 720888, 810999, 816516, 841036, 913752, 926856, 952602, 1081332, 1111369, 1224774, 1261554, 1270136, 1370628, 1428903, 1621998, 1633032, 1682072, 1892331, 1905204, 2162664, 2222738, 2449548, 2523108, 2741256, 2857806, 3243996, 3334107, 3784662, 3810408, 4286709, 4445476, 4899096, 5046216, 5676993, 5715612, 6487992, 6668214, 7569324, 7779583, 8573418, 8890952, 10002321, 11353986, 11431224, 13336428, 15138648, 15559166, 17146836, 20004642, 22707972, 23338749, 26672856, 30006963, 31118332, 34293672, 40009284, 45415944, 46677498, 60013926, 62236664, 70016247, 80018568, 93354996, 120027852, 140032494, 186709992, 210048741, 240055704, 280064988, 420097482, 560129976, 840194964, 1680389928]

約数ペア:

[(1, 1680389928), (2, 840194964), (3, 560129976), (4, 420097482), (6, 280064988), (7, 240055704), (8, 210048741), (9, 186709992), (12, 140032494), (14, 120027852), (18, 93354996), (21, 80018568), (24, 70016247), (27, 62236664), (28, 60013926), (36, 46677498), (37, 45415944), (42, 40009284), (49, 34293672), (54, 31118332), (56, 30006963), (63, 26672856), (72, 23338749), (74, 22707972), (84, 20004642), (98, 17146836), (108, 15559166), (111, 15138648), (126, 13336428), (147, 11431224), (148, 11353986), (168, 10002321), (189, 8890952), (196, 8573418), (216, 7779583), (222, 7569324), (252, 6668214), (259, 6487992), (294, 5715612), (296, 5676993), (333, 5046216), (343, 4899096), (378, 4445476), (392, 4286709), (441, 3810408), (444, 3784662), (504, 3334107), (518, 3243996), (588, 2857806), (613, 2741256), (666, 2523108), (686, 2449548), (756, 2222738), (777, 2162664), (882, 1905204), (888, 1892331), (999, 1682072), (1029, 1633032), (1036, 1621998), (1176, 1428903), (1226, 1370628), (1323, 1270136), (1332, 1261554), (1372, 1224774), (1512, 1111369), (1554, 1081332), (1764, 952602), (1813, 926856), (1839, 913752), (1998, 841036), (2058, 816516), (2072, 810999), (2331, 720888), (2452, 685314), (2646, 635068), (2664, 630777), (2744, 612387), (3087, 544344), (3108, 540666), (3528, 476301), (3626, 463428), (3678, 456876), (3996, 420518), (4116, 408258), (4291, 391608), (4662, 360444), (4904, 342657), (5292, 317534), (5439, 308952), (5517, 304584), (6174, 272172), (6216, 270333), (6993, 240296), (7252, 231714), (7356, 228438), (7992, 210259), (8232, 204129), (8582, 195804), (9261, 181448), (9324, 180222), (10584, 158767), (10878, 154476), (11034, 152292), (12348, 136086), (12691, 132408), (12873, 130536), (13986, 120148), (14504, 115857), (14712, 114219), (16317, 102984), (16551, 101528), (17164, 97902), (18522, 90724), (18648, 90111), (21756, 77238), (22068, 76146), (22681, 74088), (24696, 68043), (25382, 66204), (25746, 65268), (27972, 60074), (30037, 55944), (32634, 51492), (33102, 50764), (34328, 48951), (37044, 45362), (38073, 44136), (38619, 43512)]