207930780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{385057}}^1$

素因数の和:385075

約数の個数: 48

約数和(自身を含む): 646897440

約数和(自身を除く): 438966660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 385057, 770114, 1155171, 1540228, 1925285, 2310342, 3465513, 3850570, 4620684, 5775855, 6931026, 7701140, 10396539, 11551710, 13862052, 17327565, 20793078, 23103420, 34655130, 41586156, 51982695, 69310260, 103965390, 207930780]

約数ペア:

[(1, 207930780), (2, 103965390), (3, 69310260), (4, 51982695), (5, 41586156), (6, 34655130), (9, 23103420), (10, 20793078), (12, 17327565), (15, 13862052), (18, 11551710), (20, 10396539), (27, 7701140), (30, 6931026), (36, 5775855), (45, 4620684), (54, 3850570), (60, 3465513), (90, 2310342), (108, 1925285), (135, 1540228), (180, 1155171), (270, 770114), (540, 385057)]