639275328

素因数分解:

$2^6\times 3^4\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 140

約数和(自身を含む): 1911900672

約数和(自身を除く): 1272625344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 127, 144, 162, 192, 216, 254, 288, 324, 381, 432, 508, 576, 648, 762, 864, 971, 1016, 1143, 1296, 1524, 1728, 1942, 2032, 2286, 2592, 2913, 3048, 3429, 3884, 4064, 4572, 5184, 5826, 6096, 6858, 7768, 8128, 8739, 9144, 10287, 11652, 12192, 13716, 15536, 17478, 18288, 20574, 23304, 24384, 26217, 27432, 31072, 34956, 36576, 41148, 46608, 52434, 54864, 62144, 69912, 73152, 78651, 82296, 93216, 104868, 109728, 123317, 139824, 157302, 164592, 186432, 209736, 219456, 246634, 279648, 314604, 329184, 369951, 419472, 493268, 559296, 629208, 658368, 739902, 838944, 986536, 1109853, 1258416, 1479804, 1677888, 1973072, 2219706, 2516832, 2959608, 3329559, 3946144, 4439412, 5033664, 5919216, 6659118, 7892288, 8878824, 9988677, 11838432, 13318236, 17757648, 19977354, 23676864, 26636472, 35515296, 39954708, 53272944, 71030592, 79909416, 106545888, 159818832, 213091776, 319637664, 639275328]

約数ペア:

[(1, 639275328), (2, 319637664), (3, 213091776), (4, 159818832), (6, 106545888), (8, 79909416), (9, 71030592), (12, 53272944), (16, 39954708), (18, 35515296), (24, 26636472), (27, 23676864), (32, 19977354), (36, 17757648), (48, 13318236), (54, 11838432), (64, 9988677), (72, 8878824), (81, 7892288), (96, 6659118), (108, 5919216), (127, 5033664), (144, 4439412), (162, 3946144), (192, 3329559), (216, 2959608), (254, 2516832), (288, 2219706), (324, 1973072), (381, 1677888), (432, 1479804), (508, 1258416), (576, 1109853), (648, 986536), (762, 838944), (864, 739902), (971, 658368), (1016, 629208), (1143, 559296), (1296, 493268), (1524, 419472), (1728, 369951), (1942, 329184), (2032, 314604), (2286, 279648), (2592, 246634), (2913, 219456), (3048, 209736), (3429, 186432), (3884, 164592), (4064, 157302), (4572, 139824), (5184, 123317), (5826, 109728), (6096, 104868), (6858, 93216), (7768, 82296), (8128, 78651), (8739, 73152), (9144, 69912), (10287, 62144), (11652, 54864), (12192, 52434), (13716, 46608), (15536, 41148), (17478, 36576), (18288, 34956), (20574, 31072), (23304, 27432), (24384, 26217)]