145302680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{68539}}^1$

素因数の和:68603

約数の個数: 32

約数和(自身を含む): 333104400

約数和(自身を除く): 187801720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 68539, 137078, 274156, 342695, 548312, 685390, 1370780, 2741560, 3632567, 7265134, 14530268, 18162835, 29060536, 36325670, 72651340, 145302680]

約数ペア:

[(1, 145302680), (2, 72651340), (4, 36325670), (5, 29060536), (8, 18162835), (10, 14530268), (20, 7265134), (40, 3632567), (53, 2741560), (106, 1370780), (212, 685390), (265, 548312), (424, 342695), (530, 274156), (1060, 137078), (2120, 68539)]