85288280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27691}}^1$

素因数の和:27720

約数の個数: 64

約数和(自身を含む): 239258880

約数和(自身を除く): 153970600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 27691, 55382, 110764, 138455, 193837, 221528, 276910, 304601, 387674, 553820, 609202, 775348, 969185, 1107640, 1218404, 1523005, 1550696, 1938370, 2132207, 2436808, 3046010, 3876740, 4264414, 6092020, 7753480, 8528828, 10661035, 12184040, 17057656, 21322070, 42644140, 85288280]

約数ペア:

[(1, 85288280), (2, 42644140), (4, 21322070), (5, 17057656), (7, 12184040), (8, 10661035), (10, 8528828), (11, 7753480), (14, 6092020), (20, 4264414), (22, 3876740), (28, 3046010), (35, 2436808), (40, 2132207), (44, 1938370), (55, 1550696), (56, 1523005), (70, 1218404), (77, 1107640), (88, 969185), (110, 775348), (140, 609202), (154, 553820), (220, 387674), (280, 304601), (308, 276910), (385, 221528), (440, 193837), (616, 138455), (770, 110764), (1540, 55382), (3080, 27691)]