66239180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 163060128

約数和(自身を除く): 96820948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 263, 490, 514, 526, 980, 1028, 1052, 1285, 1315, 1799, 1841, 2570, 2630, 3598, 3682, 5140, 5260, 7196, 7364, 8995, 9205, 12593, 12887, 17990, 18410, 25186, 25774, 35980, 36820, 50372, 51548, 62965, 64435, 67591, 125930, 128870, 135182, 251860, 257740, 270364, 337955, 473137, 675910, 946274, 1351820, 1892548, 2365685, 3311959, 4731370, 6623918, 9462740, 13247836, 16559795, 33119590, 66239180]

約数ペア:

[(1, 66239180), (2, 33119590), (4, 16559795), (5, 13247836), (7, 9462740), (10, 6623918), (14, 4731370), (20, 3311959), (28, 2365685), (35, 1892548), (49, 1351820), (70, 946274), (98, 675910), (140, 473137), (196, 337955), (245, 270364), (257, 257740), (263, 251860), (490, 135182), (514, 128870), (526, 125930), (980, 67591), (1028, 64435), (1052, 62965), (1285, 51548), (1315, 50372), (1799, 36820), (1841, 35980), (2570, 25774), (2630, 25186), (3598, 18410), (3682, 17990), (5140, 12887), (5260, 12593), (7196, 9205), (7364, 8995)]