156871240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{230693}}^1$

素因数の和:230721

約数の個数: 32

約数和(自身を含む): 373724280

約数和(自身を除く): 216853040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 230693, 461386, 922772, 1153465, 1845544, 2306930, 3921781, 4613860, 7843562, 9227720, 15687124, 19608905, 31374248, 39217810, 78435620, 156871240]

約数ペア:

[(1, 156871240), (2, 78435620), (4, 39217810), (5, 31374248), (8, 19608905), (10, 15687124), (17, 9227720), (20, 7843562), (34, 4613860), (40, 3921781), (68, 2306930), (85, 1845544), (136, 1153465), (170, 922772), (340, 461386), (680, 230693)]