320851328

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 128

約数和(自身を含む): 787276800

約数和(自身を除く): 466425472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 56, 64, 76, 94, 112, 128, 133, 152, 188, 224, 266, 304, 329, 376, 401, 448, 532, 608, 658, 752, 802, 893, 896, 1064, 1216, 1316, 1504, 1604, 1786, 2128, 2432, 2632, 2807, 3008, 3208, 3572, 4256, 5264, 5614, 6016, 6251, 6416, 7144, 7619, 8512, 10528, 11228, 12502, 12832, 14288, 15238, 17024, 18847, 21056, 22456, 25004, 25664, 28576, 30476, 37694, 42112, 44912, 50008, 51328, 53333, 57152, 60952, 75388, 89824, 100016, 106666, 114304, 121904, 131929, 150776, 179648, 200032, 213332, 243808, 263858, 301552, 358093, 359296, 400064, 426664, 487616, 527716, 603104, 716186, 800128, 853328, 975232, 1055432, 1206208, 1432372, 1706656, 2110864, 2412416, 2506651, 2864744, 3413312, 4221728, 5013302, 5729488, 6826624, 8443456, 10026604, 11458976, 16886912, 20053208, 22917952, 40106416, 45835904, 80212832, 160425664, 320851328]

約数ペア:

[(1, 320851328), (2, 160425664), (4, 80212832), (7, 45835904), (8, 40106416), (14, 22917952), (16, 20053208), (19, 16886912), (28, 11458976), (32, 10026604), (38, 8443456), (47, 6826624), (56, 5729488), (64, 5013302), (76, 4221728), (94, 3413312), (112, 2864744), (128, 2506651), (133, 2412416), (152, 2110864), (188, 1706656), (224, 1432372), (266, 1206208), (304, 1055432), (329, 975232), (376, 853328), (401, 800128), (448, 716186), (532, 603104), (608, 527716), (658, 487616), (752, 426664), (802, 400064), (893, 359296), (896, 358093), (1064, 301552), (1216, 263858), (1316, 243808), (1504, 213332), (1604, 200032), (1786, 179648), (2128, 150776), (2432, 131929), (2632, 121904), (2807, 114304), (3008, 106666), (3208, 100016), (3572, 89824), (4256, 75388), (5264, 60952), (5614, 57152), (6016, 53333), (6251, 51328), (6416, 50008), (7144, 44912), (7619, 42112), (8512, 37694), (10528, 30476), (11228, 28576), (12502, 25664), (12832, 25004), (14288, 22456), (15238, 21056), (17024, 18847)]