54947480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{631}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 141972480

約数和(自身を除く): 87025000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 631, 1244, 1262, 1555, 2177, 2488, 2524, 3110, 3155, 4354, 4417, 5048, 6220, 6310, 8708, 8834, 10885, 12440, 12620, 17416, 17668, 21770, 22085, 25240, 35336, 43540, 44170, 87080, 88340, 176680, 196241, 392482, 784964, 981205, 1373687, 1569928, 1962410, 2747374, 3924820, 5494748, 6868435, 7849640, 10989496, 13736870, 27473740, 54947480]

約数ペア:

[(1, 54947480), (2, 27473740), (4, 13736870), (5, 10989496), (7, 7849640), (8, 6868435), (10, 5494748), (14, 3924820), (20, 2747374), (28, 1962410), (35, 1569928), (40, 1373687), (56, 981205), (70, 784964), (140, 392482), (280, 196241), (311, 176680), (622, 88340), (631, 87080), (1244, 44170), (1262, 43540), (1555, 35336), (2177, 25240), (2488, 22085), (2524, 21770), (3110, 17668), (3155, 17416), (4354, 12620), (4417, 12440), (5048, 10885), (6220, 8834), (6310, 8708)]