217406520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{603907}}^1$

素因数の和:603924

約数の個数: 48

約数和(自身を含む): 706572360

約数和(自身を除く): 489165840

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, 603907, 1207814, 1811721, 2415628, 3019535, 3623442, 4831256, 5435163, 6039070, 7246884, 9058605, 10870326, 12078140, 14493768, 18117210, 21740652, 24156280, 27175815, 36234420, 43481304, 54351630, 72468840, 108703260, 217406520]

約数ペア:

[(1, 217406520), (2, 108703260), (3, 72468840), (4, 54351630), (5, 43481304), (6, 36234420), (8, 27175815), (9, 24156280), (10, 21740652), (12, 18117210), (15, 14493768), (18, 12078140), (20, 10870326), (24, 9058605), (30, 7246884), (36, 6039070), (40, 5435163), (45, 4831256), (60, 3623442), (72, 3019535), (90, 2415628), (120, 1811721), (180, 1207814), (360, 603907)]