2988780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 8463840

約数和(自身を除く): 5475060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 457, 545, 654, 914, 1090, 1308, 1371, 1635, 1828, 2180, 2285, 2742, 3270, 4570, 5484, 6540, 6855, 9140, 13710, 27420, 49813, 99626, 149439, 199252, 249065, 298878, 498130, 597756, 747195, 996260, 1494390, 2988780]

約数ペア:

[(1, 2988780), (2, 1494390), (3, 996260), (4, 747195), (5, 597756), (6, 498130), (10, 298878), (12, 249065), (15, 199252), (20, 149439), (30, 99626), (60, 49813), (109, 27420), (218, 13710), (327, 9140), (436, 6855), (457, 6540), (545, 5484), (654, 4570), (914, 3270), (1090, 2742), (1308, 2285), (1371, 2180), (1635, 1828)]