71780976

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{21673}}^1$

素因数の和:21710

約数の個数: 60

約数和(自身を含む): 209630928

約数和(自身を除く): 137849952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 21673, 43346, 65019, 86692, 130038, 173384, 195057, 260076, 346768, 390114, 498479, 520152, 780228, 996958, 1040304, 1495437, 1560456, 1993916, 2990874, 3120912, 3987832, 4486311, 5981748, 7975664, 8972622, 11963496, 17945244, 23926992, 35890488, 71780976]

約数ペア:

[(1, 71780976), (2, 35890488), (3, 23926992), (4, 17945244), (6, 11963496), (8, 8972622), (9, 7975664), (12, 5981748), (16, 4486311), (18, 3987832), (23, 3120912), (24, 2990874), (36, 1993916), (46, 1560456), (48, 1495437), (69, 1040304), (72, 996958), (92, 780228), (138, 520152), (144, 498479), (184, 390114), (207, 346768), (276, 260076), (368, 195057), (414, 173384), (552, 130038), (828, 86692), (1104, 65019), (1656, 43346), (3312, 21673)]