69779920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2543}}^1$

素因数の和:2577

約数の個数: 80

約数和(自身を含む): 189273600

約数和(自身を除く): 119493680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2543, 2744, 3430, 3920, 5086, 5488, 6860, 10172, 12715, 13720, 17801, 20344, 25430, 27440, 35602, 40688, 50860, 71204, 89005, 101720, 124607, 142408, 178010, 203440, 249214, 284816, 356020, 498428, 623035, 712040, 872249, 996856, 1246070, 1424080, 1744498, 1993712, 2492140, 3488996, 4361245, 4984280, 6977992, 8722490, 9968560, 13955984, 17444980, 34889960, 69779920]

約数ペア:

[(1, 69779920), (2, 34889960), (4, 17444980), (5, 13955984), (7, 9968560), (8, 8722490), (10, 6977992), (14, 4984280), (16, 4361245), (20, 3488996), (28, 2492140), (35, 1993712), (40, 1744498), (49, 1424080), (56, 1246070), (70, 996856), (80, 872249), (98, 712040), (112, 623035), (140, 498428), (196, 356020), (245, 284816), (280, 249214), (343, 203440), (392, 178010), (490, 142408), (560, 124607), (686, 101720), (784, 89005), (980, 71204), (1372, 50860), (1715, 40688), (1960, 35602), (2543, 27440), (2744, 25430), (3430, 20344), (3920, 17801), (5086, 13720), (5488, 12715), (6860, 10172)]