256602624

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 160

約数和(自身を含む): 749523456

約数和(自身を除く): 492920832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 64, 68, 93, 96, 102, 124, 128, 136, 186, 192, 204, 248, 256, 272, 317, 372, 384, 408, 496, 512, 527, 544, 634, 744, 768, 816, 951, 992, 1054, 1088, 1268, 1488, 1536, 1581, 1632, 1902, 1984, 2108, 2176, 2536, 2976, 3162, 3264, 3804, 3968, 4216, 4352, 5072, 5389, 5952, 6324, 6528, 7608, 7936, 8432, 8704, 9827, 10144, 10778, 11904, 12648, 13056, 15216, 15872, 16167, 16864, 19654, 20288, 21556, 23808, 25296, 26112, 29481, 30432, 32334, 33728, 39308, 40576, 43112, 47616, 50592, 58962, 60864, 64668, 67456, 78616, 81152, 86224, 101184, 117924, 121728, 129336, 134912, 157232, 162304, 167059, 172448, 202368, 235848, 243456, 258672, 269824, 314464, 334118, 344896, 404736, 471696, 486912, 501177, 517344, 628928, 668236, 689792, 809472, 943392, 1002354, 1034688, 1257856, 1336472, 1379584, 1886784, 2004708, 2069376, 2515712, 2672944, 2759168, 3773568, 4009416, 4138752, 5031424, 5345888, 7547136, 8018832, 8277504, 10691776, 15094272, 16037664, 21383552, 32075328, 42767104, 64150656, 85534208, 128301312, 256602624]

約数ペア:

[(1, 256602624), (2, 128301312), (3, 85534208), (4, 64150656), (6, 42767104), (8, 32075328), (12, 21383552), (16, 16037664), (17, 15094272), (24, 10691776), (31, 8277504), (32, 8018832), (34, 7547136), (48, 5345888), (51, 5031424), (62, 4138752), (64, 4009416), (68, 3773568), (93, 2759168), (96, 2672944), (102, 2515712), (124, 2069376), (128, 2004708), (136, 1886784), (186, 1379584), (192, 1336472), (204, 1257856), (248, 1034688), (256, 1002354), (272, 943392), (317, 809472), (372, 689792), (384, 668236), (408, 628928), (496, 517344), (512, 501177), (527, 486912), (544, 471696), (634, 404736), (744, 344896), (768, 334118), (816, 314464), (951, 269824), (992, 258672), (1054, 243456), (1088, 235848), (1268, 202368), (1488, 172448), (1536, 167059), (1581, 162304), (1632, 157232), (1902, 134912), (1984, 129336), (2108, 121728), (2176, 117924), (2536, 101184), (2976, 86224), (3162, 81152), (3264, 78616), (3804, 67456), (3968, 64668), (4216, 60864), (4352, 58962), (5072, 50592), (5389, 47616), (5952, 43112), (6324, 40576), (6528, 39308), (7608, 33728), (7936, 32334), (8432, 30432), (8704, 29481), (9827, 26112), (10144, 25296), (10778, 23808), (11904, 21556), (12648, 20288), (13056, 19654), (15216, 16864), (15872, 16167)]