320004864

素因数分解:

$2^8\times 3^3\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:783

約数の個数: 144

約数和(自身を含む): 961824640

約数和(自身を除く): 641819776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 96, 108, 128, 134, 144, 192, 201, 216, 256, 268, 288, 384, 402, 432, 536, 576, 603, 691, 768, 804, 864, 1072, 1152, 1206, 1382, 1608, 1728, 1809, 2073, 2144, 2304, 2412, 2764, 3216, 3456, 3618, 4146, 4288, 4824, 5528, 6219, 6432, 6912, 7236, 8292, 8576, 9648, 11056, 12438, 12864, 14472, 16584, 17152, 18657, 19296, 22112, 24876, 25728, 28944, 33168, 37314, 38592, 44224, 46297, 49752, 51456, 57888, 66336, 74628, 77184, 88448, 92594, 99504, 115776, 132672, 138891, 149256, 154368, 176896, 185188, 199008, 231552, 265344, 277782, 298512, 370376, 398016, 416673, 463104, 530688, 555564, 597024, 740752, 796032, 833346, 1111128, 1194048, 1250019, 1481504, 1592064, 1666692, 2222256, 2388096, 2500038, 2963008, 3333384, 4444512, 4776192, 5000076, 5926016, 6666768, 8889024, 10000152, 11852032, 13333536, 17778048, 20000304, 26667072, 35556096, 40000608, 53334144, 80001216, 106668288, 160002432, 320004864]

約数ペア:

[(1, 320004864), (2, 160002432), (3, 106668288), (4, 80001216), (6, 53334144), (8, 40000608), (9, 35556096), (12, 26667072), (16, 20000304), (18, 17778048), (24, 13333536), (27, 11852032), (32, 10000152), (36, 8889024), (48, 6666768), (54, 5926016), (64, 5000076), (67, 4776192), (72, 4444512), (96, 3333384), (108, 2963008), (128, 2500038), (134, 2388096), (144, 2222256), (192, 1666692), (201, 1592064), (216, 1481504), (256, 1250019), (268, 1194048), (288, 1111128), (384, 833346), (402, 796032), (432, 740752), (536, 597024), (576, 555564), (603, 530688), (691, 463104), (768, 416673), (804, 398016), (864, 370376), (1072, 298512), (1152, 277782), (1206, 265344), (1382, 231552), (1608, 199008), (1728, 185188), (1809, 176896), (2073, 154368), (2144, 149256), (2304, 138891), (2412, 132672), (2764, 115776), (3216, 99504), (3456, 92594), (3618, 88448), (4146, 77184), (4288, 74628), (4824, 66336), (5528, 57888), (6219, 51456), (6432, 49752), (6912, 46297), (7236, 44224), (8292, 38592), (8576, 37314), (9648, 33168), (11056, 28944), (12438, 25728), (12864, 24876), (14472, 22112), (16584, 19296), (17152, 18657)]