30720342

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 62726400

約数和(自身を除く): 32006058

約数列:

[1, 2, 3, 6, 107, 109, 214, 218, 321, 327, 439, 642, 654, 878, 1317, 2634, 11663, 23326, 34989, 46973, 47851, 69978, 93946, 95702, 140919, 143553, 281838, 287106, 5120057, 10240114, 15360171, 30720342]

約数ペア:

[(1, 30720342), (2, 15360171), (3, 10240114), (6, 5120057), (107, 287106), (109, 281838), (214, 143553), (218, 140919), (321, 95702), (327, 93946), (439, 69978), (642, 47851), (654, 46973), (878, 34989), (1317, 23326), (2634, 11663)]