82512920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1877}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 213641280

約数和(自身を除く): 131128360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 1877, 2198, 3140, 3754, 4396, 5495, 6280, 7508, 8792, 9385, 10990, 13139, 15016, 18770, 21980, 26278, 37540, 43960, 52556, 65695, 75080, 105112, 131390, 262780, 294689, 525560, 589378, 1178756, 1473445, 2062823, 2357512, 2946890, 4125646, 5893780, 8251292, 10314115, 11787560, 16502584, 20628230, 41256460, 82512920]

約数ペア:

[(1, 82512920), (2, 41256460), (4, 20628230), (5, 16502584), (7, 11787560), (8, 10314115), (10, 8251292), (14, 5893780), (20, 4125646), (28, 2946890), (35, 2357512), (40, 2062823), (56, 1473445), (70, 1178756), (140, 589378), (157, 525560), (280, 294689), (314, 262780), (628, 131390), (785, 105112), (1099, 75080), (1256, 65695), (1570, 52556), (1877, 43960), (2198, 37540), (3140, 26278), (3754, 21980), (4396, 18770), (5495, 15016), (6280, 13139), (7508, 10990), (8792, 9385)]