1641870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{2027}}^1$

素因数の和:2046

約数の個数: 40

約数和(自身を含む): 4416984

約数和(自身を除く): 2775114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 2027, 4054, 6081, 10135, 12162, 18243, 20270, 30405, 36486, 54729, 60810, 91215, 109458, 164187, 182430, 273645, 328374, 547290, 820935, 1641870]

約数ペア:

[(1, 1641870), (2, 820935), (3, 547290), (5, 328374), (6, 273645), (9, 182430), (10, 164187), (15, 109458), (18, 91215), (27, 60810), (30, 54729), (45, 36486), (54, 30405), (81, 20270), (90, 18243), (135, 12162), (162, 10135), (270, 6081), (405, 4054), (810, 2027)]