215698680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199721}}^1$

素因数の和:199741

約数の個数: 64

約数和(自身を含む): 718999200

約数和(自身を除く): 503300520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 199721, 399442, 599163, 798884, 998605, 1198326, 1597768, 1797489, 1997210, 2396652, 2995815, 3594978, 3994420, 4793304, 5392467, 5991630, 7189956, 7988840, 8987445, 10784934, 11983260, 14379912, 17974890, 21569868, 23966520, 26962335, 35949780, 43139736, 53924670, 71899560, 107849340, 215698680]

約数ペア:

[(1, 215698680), (2, 107849340), (3, 71899560), (4, 53924670), (5, 43139736), (6, 35949780), (8, 26962335), (9, 23966520), (10, 21569868), (12, 17974890), (15, 14379912), (18, 11983260), (20, 10784934), (24, 8987445), (27, 7988840), (30, 7189956), (36, 5991630), (40, 5392467), (45, 4793304), (54, 3994420), (60, 3594978), (72, 2995815), (90, 2396652), (108, 1997210), (120, 1797489), (135, 1597768), (180, 1198326), (216, 998605), (270, 798884), (360, 599163), (540, 399442), (1080, 199721)]