163666120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{77201}}^1$

素因数の和:77265

約数の個数: 32

約数和(自身を含む): 375201720

約数和(自身を除く): 211535600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 77201, 154402, 308804, 386005, 617608, 772010, 1544020, 3088040, 4091653, 8183306, 16366612, 20458265, 32733224, 40916530, 81833060, 163666120]

約数ペア:

[(1, 163666120), (2, 81833060), (4, 40916530), (5, 32733224), (8, 20458265), (10, 16366612), (20, 8183306), (40, 4091653), (53, 3088040), (106, 1544020), (212, 772010), (265, 617608), (424, 386005), (530, 308804), (1060, 154402), (2120, 77201)]