64780440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{539837}}^1$

素因数の和:539851

約数の個数: 32

約数和(自身を含む): 194341680

約数和(自身を除く): 129561240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 539837, 1079674, 1619511, 2159348, 2699185, 3239022, 4318696, 5398370, 6478044, 8097555, 10796740, 12956088, 16195110, 21593480, 32390220, 64780440]

約数ペア:

[(1, 64780440), (2, 32390220), (3, 21593480), (4, 16195110), (5, 12956088), (6, 10796740), (8, 8097555), (10, 6478044), (12, 5398370), (15, 4318696), (20, 3239022), (24, 2699185), (30, 2159348), (40, 1619511), (60, 1079674), (120, 539837)]