81190770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{4289}}^1$

素因数の和:4930

約数の個数: 32

約数和(自身を含む): 195212160

約数和(自身を除く): 114021390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 631, 1262, 1893, 3155, 3786, 4289, 6310, 8578, 9465, 12867, 18930, 21445, 25734, 42890, 64335, 128670, 2706359, 5412718, 8119077, 13531795, 16238154, 27063590, 40595385, 81190770]

約数ペア:

[(1, 81190770), (2, 40595385), (3, 27063590), (5, 16238154), (6, 13531795), (10, 8119077), (15, 5412718), (30, 2706359), (631, 128670), (1262, 64335), (1893, 42890), (3155, 25734), (3786, 21445), (4289, 18930), (6310, 12867), (8578, 9465)]