320210576

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 738167040

約数和(自身を除く): 417956464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 311, 317, 406, 464, 622, 634, 812, 1244, 1268, 1624, 2177, 2219, 2488, 2536, 3248, 4354, 4438, 4976, 5072, 8708, 8876, 9019, 9193, 17416, 17752, 18038, 18386, 34832, 35504, 36076, 36772, 63133, 64351, 72152, 73544, 98587, 126266, 128702, 144304, 147088, 197174, 252532, 257404, 394348, 505064, 514808, 690109, 788696, 1010128, 1029616, 1380218, 1577392, 2760436, 2859023, 5520872, 5718046, 11041744, 11436092, 20013161, 22872184, 40026322, 45744368, 80052644, 160105288, 320210576]

約数ペア:

[(1, 320210576), (2, 160105288), (4, 80052644), (7, 45744368), (8, 40026322), (14, 22872184), (16, 20013161), (28, 11436092), (29, 11041744), (56, 5718046), (58, 5520872), (112, 2859023), (116, 2760436), (203, 1577392), (232, 1380218), (311, 1029616), (317, 1010128), (406, 788696), (464, 690109), (622, 514808), (634, 505064), (812, 394348), (1244, 257404), (1268, 252532), (1624, 197174), (2177, 147088), (2219, 144304), (2488, 128702), (2536, 126266), (3248, 98587), (4354, 73544), (4438, 72152), (4976, 64351), (5072, 63133), (8708, 36772), (8876, 36076), (9019, 35504), (9193, 34832), (17416, 18386), (17752, 18038)]