64458520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{32887}}^1$

素因数の和:32912

約数の個数: 48

約数和(自身を含む): 168715440

約数和(自身を除く): 104256920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 32887, 65774, 131548, 164435, 230209, 263096, 328870, 460418, 657740, 920836, 1151045, 1315480, 1611463, 1841672, 2302090, 3222926, 4604180, 6445852, 8057315, 9208360, 12891704, 16114630, 32229260, 64458520]

約数ペア:

[(1, 64458520), (2, 32229260), (4, 16114630), (5, 12891704), (7, 9208360), (8, 8057315), (10, 6445852), (14, 4604180), (20, 3222926), (28, 2302090), (35, 1841672), (40, 1611463), (49, 1315480), (56, 1151045), (70, 920836), (98, 657740), (140, 460418), (196, 328870), (245, 263096), (280, 230209), (392, 164435), (490, 131548), (980, 65774), (1960, 32887)]