64491560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230327}}^1$

素因数の和:230345

約数の個数: 32

約数和(自身を含む): 165836160

約数和(自身を除く): 101344600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230327, 460654, 921308, 1151635, 1612289, 1842616, 2303270, 3224578, 4606540, 6449156, 8061445, 9213080, 12898312, 16122890, 32245780, 64491560]

約数ペア:

[(1, 64491560), (2, 32245780), (4, 16122890), (5, 12898312), (7, 9213080), (8, 8061445), (10, 6449156), (14, 4606540), (20, 3224578), (28, 2303270), (35, 1842616), (40, 1612289), (56, 1151635), (70, 921308), (140, 460654), (280, 230327)]