27488720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 73709568

約数和(自身を除く): 46220848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 257, 280, 382, 514, 560, 764, 955, 1028, 1285, 1337, 1528, 1799, 1910, 2056, 2570, 2674, 3056, 3598, 3820, 4112, 5140, 5348, 6685, 7196, 7640, 8995, 10280, 10696, 13370, 14392, 15280, 17990, 20560, 21392, 26740, 28784, 35980, 49087, 53480, 71960, 98174, 106960, 143920, 196348, 245435, 343609, 392696, 490870, 687218, 785392, 981740, 1374436, 1718045, 1963480, 2748872, 3436090, 3926960, 5497744, 6872180, 13744360, 27488720]

約数ペア:

[(1, 27488720), (2, 13744360), (4, 6872180), (5, 5497744), (7, 3926960), (8, 3436090), (10, 2748872), (14, 1963480), (16, 1718045), (20, 1374436), (28, 981740), (35, 785392), (40, 687218), (56, 490870), (70, 392696), (80, 343609), (112, 245435), (140, 196348), (191, 143920), (257, 106960), (280, 98174), (382, 71960), (514, 53480), (560, 49087), (764, 35980), (955, 28784), (1028, 26740), (1285, 21392), (1337, 20560), (1528, 17990), (1799, 15280), (1910, 14392), (2056, 13370), (2570, 10696), (2674, 10280), (3056, 8995), (3598, 7640), (3820, 7196), (4112, 6685), (5140, 5348)]