138620520

素因数分解:

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

素因数の和:385074

約数の個数: 48

約数和(自身を含む): 450517860

約数和(自身を除く): 311897340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385057, 770114, 1155171, 1540228, 1925285, 2310342, 3080456, 3465513, 3850570, 4620684, 5775855, 6931026, 7701140, 9241368, 11551710, 13862052, 15402280, 17327565, 23103420, 27724104, 34655130, 46206840, 69310260, 138620520]

約数ペア:

[(1, 138620520), (2, 69310260), (3, 46206840), (4, 34655130), (5, 27724104), (6, 23103420), (8, 17327565), (9, 15402280), (10, 13862052), (12, 11551710), (15, 9241368), (18, 7701140), (20, 6931026), (24, 5775855), (30, 4620684), (36, 3850570), (40, 3465513), (45, 3080456), (60, 2310342), (72, 1925285), (90, 1540228), (120, 1155171), (180, 770114), (360, 385057)]