123390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{457}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 329760

約数和(自身を除く): 206370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 457, 914, 1371, 2285, 2742, 4113, 4570, 6855, 8226, 12339, 13710, 20565, 24678, 41130, 61695, 123390]

約数ペア:

[(1, 123390), (2, 61695), (3, 41130), (5, 24678), (6, 20565), (9, 13710), (10, 12339), (15, 8226), (18, 6855), (27, 4570), (30, 4113), (45, 2742), (54, 2285), (90, 1371), (135, 914), (270, 457)]