56786220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 172907280

約数和(自身を除く): 116121060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 811, 1167, 1556, 1622, 1945, 2334, 2433, 3244, 3501, 3890, 4055, 4668, 4866, 5835, 7002, 7299, 7780, 8110, 9732, 11670, 12165, 14004, 14598, 16220, 17505, 23340, 24330, 29196, 35010, 36495, 48660, 70020, 72990, 145980, 315479, 630958, 946437, 1261916, 1577395, 1892874, 2839311, 3154790, 3785748, 4732185, 5678622, 6309580, 9464370, 11357244, 14196555, 18928740, 28393110, 56786220]

約数ペア:

[(1, 56786220), (2, 28393110), (3, 18928740), (4, 14196555), (5, 11357244), (6, 9464370), (9, 6309580), (10, 5678622), (12, 4732185), (15, 3785748), (18, 3154790), (20, 2839311), (30, 1892874), (36, 1577395), (45, 1261916), (60, 946437), (90, 630958), (180, 315479), (389, 145980), (778, 72990), (811, 70020), (1167, 48660), (1556, 36495), (1622, 35010), (1945, 29196), (2334, 24330), (2433, 23340), (3244, 17505), (3501, 16220), (3890, 14598), (4055, 14004), (4668, 12165), (4866, 11670), (5835, 9732), (7002, 8110), (7299, 7780)]