68493765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 124554240

約数和(自身を除く): 56060475

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 67, 85, 95, 201, 211, 255, 285, 323, 335, 633, 969, 1005, 1055, 1139, 1273, 1615, 3165, 3417, 3587, 3819, 4009, 4845, 5695, 6365, 10761, 12027, 14137, 17085, 17935, 19095, 20045, 21641, 42411, 53805, 60135, 64923, 68153, 70685, 108205, 204459, 212055, 240329, 268603, 324615, 340765, 720987, 805809, 1022295, 1201645, 1343015, 3604935, 4029045, 4566251, 13698753, 22831255, 68493765]

約数ペア:

[(1, 68493765), (3, 22831255), (5, 13698753), (15, 4566251), (17, 4029045), (19, 3604935), (51, 1343015), (57, 1201645), (67, 1022295), (85, 805809), (95, 720987), (201, 340765), (211, 324615), (255, 268603), (285, 240329), (323, 212055), (335, 204459), (633, 108205), (969, 70685), (1005, 68153), (1055, 64923), (1139, 60135), (1273, 53805), (1615, 42411), (3165, 21641), (3417, 20045), (3587, 19095), (3819, 17935), (4009, 17085), (4845, 14137), (5695, 12027), (6365, 10761)]