316289920

素因数分解:

$2^7\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1559}}^1$

素因数の和:1895

約数の個数: 64

約数和(自身を含む): 759002400

約数和(自身を除く): 442712480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 317, 320, 634, 640, 1268, 1559, 1585, 2536, 3118, 3170, 5072, 6236, 6340, 7795, 10144, 12472, 12680, 15590, 20288, 24944, 25360, 31180, 40576, 49888, 50720, 62360, 99776, 101440, 124720, 199552, 202880, 249440, 494203, 498880, 988406, 997760, 1976812, 2471015, 3953624, 4942030, 7907248, 9884060, 15814496, 19768120, 31628992, 39536240, 63257984, 79072480, 158144960, 316289920]

約数ペア:

[(1, 316289920), (2, 158144960), (4, 79072480), (5, 63257984), (8, 39536240), (10, 31628992), (16, 19768120), (20, 15814496), (32, 9884060), (40, 7907248), (64, 4942030), (80, 3953624), (128, 2471015), (160, 1976812), (317, 997760), (320, 988406), (634, 498880), (640, 494203), (1268, 249440), (1559, 202880), (1585, 199552), (2536, 124720), (3118, 101440), (3170, 99776), (5072, 62360), (6236, 50720), (6340, 49888), (7795, 40576), (10144, 31180), (12472, 25360), (12680, 24944), (15590, 20288)]