64216740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{152897}}^1$

素因数の和:152916

約数の個数: 48

約数和(自身を含む): 205494912

約数和(自身を除く): 141278172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 152897, 305794, 458691, 611588, 764485, 917382, 1070279, 1528970, 1834764, 2140558, 2293455, 3057940, 3210837, 4281116, 4586910, 5351395, 6421674, 9173820, 10702790, 12843348, 16054185, 21405580, 32108370, 64216740]

約数ペア:

[(1, 64216740), (2, 32108370), (3, 21405580), (4, 16054185), (5, 12843348), (6, 10702790), (7, 9173820), (10, 6421674), (12, 5351395), (14, 4586910), (15, 4281116), (20, 3210837), (21, 3057940), (28, 2293455), (30, 2140558), (35, 1834764), (42, 1528970), (60, 1070279), (70, 917382), (84, 764485), (105, 611588), (140, 458691), (210, 305794), (420, 152897)]