161280990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{45949}}^1$

素因数の和:45978

約数の個数: 64

約数和(自身を含む): 463176000

約数和(自身を除く): 301895010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 45949, 91898, 137847, 229745, 275694, 413541, 459490, 597337, 689235, 827082, 1194674, 1240623, 1378470, 1792011, 2067705, 2481246, 2986685, 3584022, 4135410, 5376033, 5973370, 6203115, 8960055, 10752066, 12406230, 16128099, 17920110, 26880165, 32256198, 53760330, 80640495, 161280990]

約数ペア:

[(1, 161280990), (2, 80640495), (3, 53760330), (5, 32256198), (6, 26880165), (9, 17920110), (10, 16128099), (13, 12406230), (15, 10752066), (18, 8960055), (26, 6203115), (27, 5973370), (30, 5376033), (39, 4135410), (45, 3584022), (54, 2986685), (65, 2481246), (78, 2067705), (90, 1792011), (117, 1378470), (130, 1240623), (135, 1194674), (195, 827082), (234, 689235), (270, 597337), (351, 459490), (390, 413541), (585, 275694), (702, 229745), (1170, 137847), (1755, 91898), (3510, 45949)]