321440896

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:534

約数の個数: 128

約数和(自身を含む): 793152000

約数和(自身を除く): 471711104

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 47, 56, 64, 68, 94, 112, 119, 128, 136, 188, 224, 238, 272, 329, 376, 448, 449, 476, 544, 658, 752, 799, 896, 898, 952, 1088, 1316, 1504, 1598, 1796, 1904, 2176, 2632, 3008, 3143, 3196, 3592, 3808, 5264, 5593, 6016, 6286, 6392, 7184, 7616, 7633, 10528, 11186, 12572, 12784, 14368, 15232, 15266, 21056, 21103, 22372, 25144, 25568, 28736, 30532, 42112, 42206, 44744, 50288, 51136, 53431, 57472, 61064, 84412, 89488, 100576, 102272, 106862, 122128, 147721, 168824, 178976, 201152, 213724, 244256, 295442, 337648, 357952, 358751, 402304, 427448, 488512, 590884, 675296, 715904, 717502, 854896, 977024, 1181768, 1350592, 1435004, 1709792, 2363536, 2511257, 2701184, 2870008, 3419584, 4727072, 5022514, 5740016, 6839168, 9454144, 10045028, 11480032, 18908288, 20090056, 22960064, 40180112, 45920128, 80360224, 160720448, 321440896]

約数ペア:

[(1, 321440896), (2, 160720448), (4, 80360224), (7, 45920128), (8, 40180112), (14, 22960064), (16, 20090056), (17, 18908288), (28, 11480032), (32, 10045028), (34, 9454144), (47, 6839168), (56, 5740016), (64, 5022514), (68, 4727072), (94, 3419584), (112, 2870008), (119, 2701184), (128, 2511257), (136, 2363536), (188, 1709792), (224, 1435004), (238, 1350592), (272, 1181768), (329, 977024), (376, 854896), (448, 717502), (449, 715904), (476, 675296), (544, 590884), (658, 488512), (752, 427448), (799, 402304), (896, 358751), (898, 357952), (952, 337648), (1088, 295442), (1316, 244256), (1504, 213724), (1598, 201152), (1796, 178976), (1904, 168824), (2176, 147721), (2632, 122128), (3008, 106862), (3143, 102272), (3196, 100576), (3592, 89488), (3808, 84412), (5264, 61064), (5593, 57472), (6016, 53431), (6286, 51136), (6392, 50288), (7184, 44744), (7616, 42206), (7633, 42112), (10528, 30532), (11186, 28736), (12572, 25568), (12784, 25144), (14368, 22372), (15232, 21103), (15266, 21056)]