128348517640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{458387563}}^1$

素因数の和:458387581

約数の個数: 32

約数和(自身を含む): 330039046080

約数和(自身を除く): 201690528440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 458387563, 916775126, 1833550252, 2291937815, 3208712941, 3667100504, 4583875630, 6417425882, 9167751260, 12834851764, 16043564705, 18335502520, 25669703528, 32087129410, 64174258820, 128348517640]

約数ペア:

[(1, 128348517640), (2, 64174258820), (4, 32087129410), (5, 25669703528), (7, 18335502520), (8, 16043564705), (10, 12834851764), (14, 9167751260), (20, 6417425882), (28, 4583875630), (35, 3667100504), (40, 3208712941), (56, 2291937815), (70, 1833550252), (140, 916775126), (280, 458387563)]