64942780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1511}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 156473856

約数和(自身を除く): 91531076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1511, 1535, 2149, 3022, 3070, 4298, 6044, 6140, 7555, 8596, 10577, 10745, 15110, 21154, 21490, 30220, 42308, 42980, 52885, 105770, 211540, 463877, 927754, 1855508, 2319385, 3247139, 4638770, 6494278, 9277540, 12988556, 16235695, 32471390, 64942780]

約数ペア:

[(1, 64942780), (2, 32471390), (4, 16235695), (5, 12988556), (7, 9277540), (10, 6494278), (14, 4638770), (20, 3247139), (28, 2319385), (35, 1855508), (70, 927754), (140, 463877), (307, 211540), (614, 105770), (1228, 52885), (1511, 42980), (1535, 42308), (2149, 30220), (3022, 21490), (3070, 21154), (4298, 15110), (6044, 10745), (6140, 10577), (7555, 8596)]