64841880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540349}}^1$

素因数の和:540363

約数の個数: 32

約数和(自身を含む): 194526000

約数和(自身を除く): 129684120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540349, 1080698, 1621047, 2161396, 2701745, 3242094, 4322792, 5403490, 6484188, 8105235, 10806980, 12968376, 16210470, 21613960, 32420940, 64841880]

約数ペア:

[(1, 64841880), (2, 32420940), (3, 21613960), (4, 16210470), (5, 12968376), (6, 10806980), (8, 8105235), (10, 6484188), (12, 5403490), (15, 4322792), (20, 3242094), (24, 2701745), (30, 2161396), (40, 1621047), (60, 1080698), (120, 540349)]