531559840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67801}}^1$

素因数の和:67830

約数の個数: 72

約数和(自身を含む): 1460861892

約数和(自身を除く): 929302052

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 67801, 135602, 271204, 339005, 474607, 542408, 678010, 949214, 1084816, 1356020, 1898428, 2169632, 2373035, 2712040, 3322249, 3796856, 4746070, 5424080, 6644498, 7593712, 9492140, 10848160, 13288996, 15187424, 16611245, 18984280, 26577992, 33222490, 37968560, 53155984, 66444980, 75937120, 106311968, 132889960, 265779920, 531559840]

約数ペア:

[(1, 531559840), (2, 265779920), (4, 132889960), (5, 106311968), (7, 75937120), (8, 66444980), (10, 53155984), (14, 37968560), (16, 33222490), (20, 26577992), (28, 18984280), (32, 16611245), (35, 15187424), (40, 13288996), (49, 10848160), (56, 9492140), (70, 7593712), (80, 6644498), (98, 5424080), (112, 4746070), (140, 3796856), (160, 3322249), (196, 2712040), (224, 2373035), (245, 2169632), (280, 1898428), (392, 1356020), (490, 1084816), (560, 949214), (784, 678010), (980, 542408), (1120, 474607), (1568, 339005), (1960, 271204), (3920, 135602), (7840, 67801)]