64505560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{32911}}^1$

素因数の和:32936

約数の個数: 48

約数和(自身を含む): 168838560

約数和(自身を除く): 104333000

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, 32911, 65822, 131644, 164555, 230377, 263288, 329110, 460754, 658220, 921508, 1151885, 1316440, 1612639, 1843016, 2303770, 3225278, 4607540, 6450556, 8063195, 9215080, 12901112, 16126390, 32252780, 64505560]

約数ペア:

[(1, 64505560), (2, 32252780), (4, 16126390), (5, 12901112), (7, 9215080), (8, 8063195), (10, 6450556), (14, 4607540), (20, 3225278), (28, 2303770), (35, 1843016), (40, 1612639), (49, 1316440), (56, 1151885), (70, 921508), (98, 658220), (140, 460754), (196, 329110), (245, 263288), (280, 230377), (392, 164555), (490, 131644), (980, 65822), (1960, 32911)]