2080506420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{54779}}^1$

素因数の和:55005

約数の個数: 72

約数和(自身を含む): 6340894560

約数和(自身を除く): 4260388140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 54779, 109558, 164337, 219116, 273895, 328674, 493011, 547790, 657348, 821685, 986022, 1095580, 1643370, 1972044, 2465055, 3286740, 4930110, 9860220, 11558369, 23116738, 34675107, 46233476, 57791845, 69350214, 104025321, 115583690, 138700428, 173375535, 208050642, 231167380, 346751070, 416101284, 520126605, 693502140, 1040253210, 2080506420]

約数ペア:

[(1, 2080506420), (2, 1040253210), (3, 693502140), (4, 520126605), (5, 416101284), (6, 346751070), (9, 231167380), (10, 208050642), (12, 173375535), (15, 138700428), (18, 115583690), (20, 104025321), (30, 69350214), (36, 57791845), (45, 46233476), (60, 34675107), (90, 23116738), (180, 11558369), (211, 9860220), (422, 4930110), (633, 3286740), (844, 2465055), (1055, 1972044), (1266, 1643370), (1899, 1095580), (2110, 986022), (2532, 821685), (3165, 657348), (3798, 547790), (4220, 493011), (6330, 328674), (7596, 273895), (9495, 219116), (12660, 164337), (18990, 109558), (37980, 54779)]