27521480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 71245440

約数和(自身を除く): 43723960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 433, 454, 866, 908, 1135, 1589, 1732, 1816, 2165, 2270, 3031, 3178, 3464, 4330, 4540, 6062, 6356, 7945, 8660, 9080, 12124, 12712, 15155, 15890, 17320, 24248, 30310, 31780, 60620, 63560, 98291, 121240, 196582, 393164, 491455, 688037, 786328, 982910, 1376074, 1965820, 2752148, 3440185, 3931640, 5504296, 6880370, 13760740, 27521480]

約数ペア:

[(1, 27521480), (2, 13760740), (4, 6880370), (5, 5504296), (7, 3931640), (8, 3440185), (10, 2752148), (14, 1965820), (20, 1376074), (28, 982910), (35, 786328), (40, 688037), (56, 491455), (70, 393164), (140, 196582), (227, 121240), (280, 98291), (433, 63560), (454, 60620), (866, 31780), (908, 30310), (1135, 24248), (1589, 17320), (1732, 15890), (1816, 15155), (2165, 12712), (2270, 12124), (3031, 9080), (3178, 8660), (3464, 7945), (4330, 6356), (4540, 6062)]