68850040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10691}}^1$

素因数の和:10732

約数の個数: 64

約数和(自身を含む): 184757760

約数和(自身を除く): 115907720

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, 10691, 21382, 42764, 53455, 74837, 85528, 106910, 149674, 213820, 245893, 299348, 374185, 427640, 491786, 598696, 748370, 983572, 1229465, 1496740, 1721251, 1967144, 2458930, 2993480, 3442502, 4917860, 6885004, 8606255, 9835720, 13770008, 17212510, 34425020, 68850040]

約数ペア:

[(1, 68850040), (2, 34425020), (4, 17212510), (5, 13770008), (7, 9835720), (8, 8606255), (10, 6885004), (14, 4917860), (20, 3442502), (23, 2993480), (28, 2458930), (35, 1967144), (40, 1721251), (46, 1496740), (56, 1229465), (70, 983572), (92, 748370), (115, 598696), (140, 491786), (161, 427640), (184, 374185), (230, 299348), (280, 245893), (322, 213820), (460, 149674), (644, 106910), (805, 85528), (920, 74837), (1288, 53455), (1610, 42764), (3220, 21382), (6440, 10691)]