27982020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42397}}^1$

素因数の和:42420

約数の個数: 48

約数和(自身を含む): 85474368

約数和(自身を除く): 57492348

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 42397, 84794, 127191, 169588, 211985, 254382, 423970, 466367, 508764, 635955, 847940, 932734, 1271910, 1399101, 1865468, 2331835, 2543820, 2798202, 4663670, 5596404, 6995505, 9327340, 13991010, 27982020]

約数ペア:

[(1, 27982020), (2, 13991010), (3, 9327340), (4, 6995505), (5, 5596404), (6, 4663670), (10, 2798202), (11, 2543820), (12, 2331835), (15, 1865468), (20, 1399101), (22, 1271910), (30, 932734), (33, 847940), (44, 635955), (55, 508764), (60, 466367), (66, 423970), (110, 254382), (132, 211985), (165, 169588), (220, 127191), (330, 84794), (660, 42397)]