390921984

素因数分解:

$2^8\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2507

約数の個数: 144

約数和(自身を含む): 1206777600

約数和(自身を除く): 815855616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 184, 192, 207, 216, 256, 276, 288, 368, 384, 414, 432, 552, 576, 621, 736, 768, 828, 864, 1104, 1152, 1242, 1472, 1656, 1728, 2208, 2304, 2459, 2484, 2944, 3312, 3456, 4416, 4918, 4968, 5888, 6624, 6912, 7377, 8832, 9836, 9936, 13248, 14754, 17664, 19672, 19872, 22131, 26496, 29508, 39344, 39744, 44262, 52992, 56557, 59016, 66393, 78688, 79488, 88524, 113114, 118032, 132786, 157376, 158976, 169671, 177048, 226228, 236064, 265572, 314752, 339342, 354096, 452456, 472128, 509013, 531144, 629504, 678684, 708192, 904912, 944256, 1018026, 1062288, 1357368, 1416384, 1527039, 1809824, 1888512, 2036052, 2124576, 2714736, 2832768, 3054078, 3619648, 4072104, 4249152, 5429472, 5665536, 6108156, 7239296, 8144208, 8498304, 10858944, 12216312, 14478592, 16288416, 16996608, 21717888, 24432624, 32576832, 43435776, 48865248, 65153664, 97730496, 130307328, 195460992, 390921984]

約数ペア:

[(1, 390921984), (2, 195460992), (3, 130307328), (4, 97730496), (6, 65153664), (8, 48865248), (9, 43435776), (12, 32576832), (16, 24432624), (18, 21717888), (23, 16996608), (24, 16288416), (27, 14478592), (32, 12216312), (36, 10858944), (46, 8498304), (48, 8144208), (54, 7239296), (64, 6108156), (69, 5665536), (72, 5429472), (92, 4249152), (96, 4072104), (108, 3619648), (128, 3054078), (138, 2832768), (144, 2714736), (184, 2124576), (192, 2036052), (207, 1888512), (216, 1809824), (256, 1527039), (276, 1416384), (288, 1357368), (368, 1062288), (384, 1018026), (414, 944256), (432, 904912), (552, 708192), (576, 678684), (621, 629504), (736, 531144), (768, 509013), (828, 472128), (864, 452456), (1104, 354096), (1152, 339342), (1242, 314752), (1472, 265572), (1656, 236064), (1728, 226228), (2208, 177048), (2304, 169671), (2459, 158976), (2484, 157376), (2944, 132786), (3312, 118032), (3456, 113114), (4416, 88524), (4918, 79488), (4968, 78688), (5888, 66393), (6624, 59016), (6912, 56557), (7377, 52992), (8832, 44262), (9836, 39744), (9936, 39344), (13248, 29508), (14754, 26496), (17664, 22131), (19672, 19872)]