39972180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666203}}^1$

素因数の和:666215

約数の個数: 24

約数和(自身を含む): 111922272

約数和(自身を除く): 71950092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666203, 1332406, 1998609, 2664812, 3331015, 3997218, 6662030, 7994436, 9993045, 13324060, 19986090, 39972180]

約数ペア:

[(1, 39972180), (2, 19986090), (3, 13324060), (4, 9993045), (5, 7994436), (6, 6662030), (10, 3997218), (12, 3331015), (15, 2664812), (20, 1998609), (30, 1332406), (60, 666203)]