144780920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{35141}}^1$

素因数の和:35255

約数の個数: 32

約数和(自身を含む): 328929120

約数和(自身を除く): 184148200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 35141, 70282, 140564, 175705, 281128, 351410, 702820, 1405640, 3619523, 7239046, 14478092, 18097615, 28956184, 36195230, 72390460, 144780920]

約数ペア:

[(1, 144780920), (2, 72390460), (4, 36195230), (5, 28956184), (8, 18097615), (10, 14478092), (20, 7239046), (40, 3619523), (103, 1405640), (206, 702820), (412, 351410), (515, 281128), (824, 175705), (1030, 140564), (2060, 70282), (4120, 35141)]