68282720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3527}}^1$

素因数の和:3564

約数の個数: 72

約数和(自身を含む): 177366672

約数和(自身を除く): 109083952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3527, 3872, 4840, 7054, 9680, 14108, 17635, 19360, 28216, 35270, 38797, 56432, 70540, 77594, 112864, 141080, 155188, 193985, 282160, 310376, 387970, 426767, 564320, 620752, 775940, 853534, 1241504, 1551880, 1707068, 2133835, 3103760, 3414136, 4267670, 6207520, 6828272, 8535340, 13656544, 17070680, 34141360, 68282720]

約数ペア:

[(1, 68282720), (2, 34141360), (4, 17070680), (5, 13656544), (8, 8535340), (10, 6828272), (11, 6207520), (16, 4267670), (20, 3414136), (22, 3103760), (32, 2133835), (40, 1707068), (44, 1551880), (55, 1241504), (80, 853534), (88, 775940), (110, 620752), (121, 564320), (160, 426767), (176, 387970), (220, 310376), (242, 282160), (352, 193985), (440, 155188), (484, 141080), (605, 112864), (880, 77594), (968, 70540), (1210, 56432), (1760, 38797), (1936, 35270), (2420, 28216), (3527, 19360), (3872, 17635), (4840, 14108), (7054, 9680)]