256195872

素因数分解:

$2^5\times 3^5\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:773

約数の個数: 144

約数和(自身を含む): 772716672

約数和(自身を除く): 516520800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 72, 81, 94, 96, 108, 141, 144, 162, 188, 216, 243, 282, 288, 324, 376, 423, 432, 486, 564, 648, 701, 752, 846, 864, 972, 1128, 1269, 1296, 1402, 1504, 1692, 1944, 2103, 2256, 2538, 2592, 2804, 3384, 3807, 3888, 4206, 4512, 5076, 5608, 6309, 6768, 7614, 7776, 8412, 10152, 11216, 11421, 12618, 13536, 15228, 16824, 18927, 20304, 22432, 22842, 25236, 30456, 32947, 33648, 37854, 40608, 45684, 50472, 56781, 60912, 65894, 67296, 75708, 91368, 98841, 100944, 113562, 121824, 131788, 151416, 170343, 182736, 197682, 201888, 227124, 263576, 296523, 302832, 340686, 365472, 395364, 454248, 527152, 593046, 605664, 681372, 790728, 889569, 908496, 1054304, 1186092, 1362744, 1581456, 1779138, 1816992, 2372184, 2668707, 2725488, 3162912, 3558276, 4744368, 5337414, 5450976, 7116552, 8006121, 9488736, 10674828, 14233104, 16012242, 21349656, 28466208, 32024484, 42699312, 64048968, 85398624, 128097936, 256195872]

約数ペア:

[(1, 256195872), (2, 128097936), (3, 85398624), (4, 64048968), (6, 42699312), (8, 32024484), (9, 28466208), (12, 21349656), (16, 16012242), (18, 14233104), (24, 10674828), (27, 9488736), (32, 8006121), (36, 7116552), (47, 5450976), (48, 5337414), (54, 4744368), (72, 3558276), (81, 3162912), (94, 2725488), (96, 2668707), (108, 2372184), (141, 1816992), (144, 1779138), (162, 1581456), (188, 1362744), (216, 1186092), (243, 1054304), (282, 908496), (288, 889569), (324, 790728), (376, 681372), (423, 605664), (432, 593046), (486, 527152), (564, 454248), (648, 395364), (701, 365472), (752, 340686), (846, 302832), (864, 296523), (972, 263576), (1128, 227124), (1269, 201888), (1296, 197682), (1402, 182736), (1504, 170343), (1692, 151416), (1944, 131788), (2103, 121824), (2256, 113562), (2538, 100944), (2592, 98841), (2804, 91368), (3384, 75708), (3807, 67296), (3888, 65894), (4206, 60912), (4512, 56781), (5076, 50472), (5608, 45684), (6309, 40608), (6768, 37854), (7614, 33648), (7776, 32947), (8412, 30456), (10152, 25236), (11216, 22842), (11421, 22432), (12618, 20304), (13536, 18927), (15228, 16824)]