145280240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{259429}}^1$

素因数の和:259449

約数の個数: 40

約数和(自身を含む): 386031840

約数和(自身を除く): 240751600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 259429, 518858, 1037716, 1297145, 1816003, 2075432, 2594290, 3632006, 4150864, 5188580, 7264012, 9080015, 10377160, 14528024, 18160030, 20754320, 29056048, 36320060, 72640120, 145280240]

約数ペア:

[(1, 145280240), (2, 72640120), (4, 36320060), (5, 29056048), (7, 20754320), (8, 18160030), (10, 14528024), (14, 10377160), (16, 9080015), (20, 7264012), (28, 5188580), (35, 4150864), (40, 3632006), (56, 2594290), (70, 2075432), (80, 1816003), (112, 1297145), (140, 1037716), (280, 518858), (560, 259429)]