81292020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1327}}^1$

素因数の和:2360

約数の個数: 48

約数和(自身を含む): 228012288

約数和(自身を除く): 146720268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1021, 1327, 2042, 2654, 3063, 3981, 4084, 5105, 5308, 6126, 6635, 7962, 10210, 12252, 13270, 15315, 15924, 19905, 20420, 26540, 30630, 39810, 61260, 79620, 1354867, 2709734, 4064601, 5419468, 6774335, 8129202, 13548670, 16258404, 20323005, 27097340, 40646010, 81292020]

約数ペア:

[(1, 81292020), (2, 40646010), (3, 27097340), (4, 20323005), (5, 16258404), (6, 13548670), (10, 8129202), (12, 6774335), (15, 5419468), (20, 4064601), (30, 2709734), (60, 1354867), (1021, 79620), (1327, 61260), (2042, 39810), (2654, 30630), (3063, 26540), (3981, 20420), (4084, 19905), (5105, 15924), (5308, 15315), (6126, 13270), (6635, 12252), (7962, 10210)]