156988720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280337}}^1$

素因数の和:280357

約数の個数: 40

約数和(自身を含む): 417142944

約数和(自身を除く): 260154224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280337, 560674, 1121348, 1401685, 1962359, 2242696, 2803370, 3924718, 4485392, 5606740, 7849436, 9811795, 11213480, 15698872, 19623590, 22426960, 31397744, 39247180, 78494360, 156988720]

約数ペア:

[(1, 156988720), (2, 78494360), (4, 39247180), (5, 31397744), (7, 22426960), (8, 19623590), (10, 15698872), (14, 11213480), (16, 9811795), (20, 7849436), (28, 5606740), (35, 4485392), (40, 3924718), (56, 2803370), (70, 2242696), (80, 1962359), (112, 1401685), (140, 1121348), (280, 560674), (560, 280337)]