123419970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1381}}^1$

素因数の和:1728

約数の個数: 64

約数和(自身を含む): 330353280

約数和(自身を除く): 206933310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 331, 662, 993, 1381, 1655, 1986, 2762, 2979, 3310, 4143, 4965, 5958, 6905, 8286, 8937, 9930, 12429, 13810, 14895, 17874, 20715, 24858, 29790, 37287, 41430, 44685, 62145, 74574, 89370, 124290, 186435, 372870, 457111, 914222, 1371333, 2285555, 2742666, 4113999, 4571110, 6856665, 8227998, 12341997, 13713330, 20569995, 24683994, 41139990, 61709985, 123419970]

約数ペア:

[(1, 123419970), (2, 61709985), (3, 41139990), (5, 24683994), (6, 20569995), (9, 13713330), (10, 12341997), (15, 8227998), (18, 6856665), (27, 4571110), (30, 4113999), (45, 2742666), (54, 2285555), (90, 1371333), (135, 914222), (270, 457111), (331, 372870), (662, 186435), (993, 124290), (1381, 89370), (1655, 74574), (1986, 62145), (2762, 44685), (2979, 41430), (3310, 37287), (4143, 29790), (4965, 24858), (5958, 20715), (6905, 17874), (8286, 14895), (8937, 13810), (9930, 12429)]