790079820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{20479}}^1$

素因数の和:21134

約数の個数: 48

約数和(自身を含む): 2215772160

約数和(自身を除く): 1425692340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 6430, 7716, 9645, 12860, 19290, 20479, 38580, 40958, 61437, 81916, 102395, 122874, 204790, 245748, 307185, 409580, 614370, 1228740, 13167997, 26335994, 39503991, 52671988, 65839985, 79007982, 131679970, 158015964, 197519955, 263359940, 395039910, 790079820]

約数ペア:

[(1, 790079820), (2, 395039910), (3, 263359940), (4, 197519955), (5, 158015964), (6, 131679970), (10, 79007982), (12, 65839985), (15, 52671988), (20, 39503991), (30, 26335994), (60, 13167997), (643, 1228740), (1286, 614370), (1929, 409580), (2572, 307185), (3215, 245748), (3858, 204790), (6430, 122874), (7716, 102395), (9645, 81916), (12860, 61437), (19290, 40958), (20479, 38580)]