2187920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3907}}^1$

素因数の和:3927

約数の個数: 40

約数和(自身を含む): 5815104

約数和(自身を除く): 3627184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3907, 7814, 15628, 19535, 27349, 31256, 39070, 54698, 62512, 78140, 109396, 136745, 156280, 218792, 273490, 312560, 437584, 546980, 1093960, 2187920]

約数ペア:

[(1, 2187920), (2, 1093960), (4, 546980), (5, 437584), (7, 312560), (8, 273490), (10, 218792), (14, 156280), (16, 136745), (20, 109396), (28, 78140), (35, 62512), (40, 54698), (56, 39070), (70, 31256), (80, 27349), (112, 19535), (140, 15628), (280, 7814), (560, 3907)]