27851220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 84913920

約数和(自身を除く): 57062700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 431, 718, 862, 1077, 1293, 1436, 1724, 1795, 2154, 2155, 2586, 3231, 3590, 3879, 4308, 4310, 5172, 5385, 6462, 6465, 7180, 7758, 8620, 10770, 12924, 12930, 15516, 16155, 19395, 21540, 25860, 32310, 38790, 64620, 77580, 154729, 309458, 464187, 618916, 773645, 928374, 1392561, 1547290, 1856748, 2320935, 2785122, 3094580, 4641870, 5570244, 6962805, 9283740, 13925610, 27851220]

約数ペア:

[(1, 27851220), (2, 13925610), (3, 9283740), (4, 6962805), (5, 5570244), (6, 4641870), (9, 3094580), (10, 2785122), (12, 2320935), (15, 1856748), (18, 1547290), (20, 1392561), (30, 928374), (36, 773645), (45, 618916), (60, 464187), (90, 309458), (180, 154729), (359, 77580), (431, 64620), (718, 38790), (862, 32310), (1077, 25860), (1293, 21540), (1436, 19395), (1724, 16155), (1795, 15516), (2154, 12930), (2155, 12924), (2586, 10770), (3231, 8620), (3590, 7758), (3879, 7180), (4308, 6465), (4310, 6462), (5172, 5385)]