56910280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8837}}^1$

素因数の和:8878

約数の個数: 64

約数和(自身を含む): 152720640

約数和(自身を除く): 95810360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 8837, 17674, 35348, 44185, 61859, 70696, 88370, 123718, 176740, 203251, 247436, 309295, 353480, 406502, 494872, 618590, 813004, 1016255, 1237180, 1422757, 1626008, 2032510, 2474360, 2845514, 4065020, 5691028, 7113785, 8130040, 11382056, 14227570, 28455140, 56910280]

約数ペア:

[(1, 56910280), (2, 28455140), (4, 14227570), (5, 11382056), (7, 8130040), (8, 7113785), (10, 5691028), (14, 4065020), (20, 2845514), (23, 2474360), (28, 2032510), (35, 1626008), (40, 1422757), (46, 1237180), (56, 1016255), (70, 813004), (92, 618590), (115, 494872), (140, 406502), (161, 353480), (184, 309295), (230, 247436), (280, 203251), (322, 176740), (460, 123718), (644, 88370), (805, 70696), (920, 61859), (1288, 44185), (1610, 35348), (3220, 17674), (6440, 8837)]