180606440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{645023}}^1$

素因数の和:645041

約数の個数: 32

約数和(自身を含む): 464417280

約数和(自身を除く): 283810840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 645023, 1290046, 2580092, 3225115, 4515161, 5160184, 6450230, 9030322, 12900460, 18060644, 22575805, 25800920, 36121288, 45151610, 90303220, 180606440]

約数ペア:

[(1, 180606440), (2, 90303220), (4, 45151610), (5, 36121288), (7, 25800920), (8, 22575805), (10, 18060644), (14, 12900460), (20, 9030322), (28, 6450230), (35, 5160184), (40, 4515161), (56, 3225115), (70, 2580092), (140, 1290046), (280, 645023)]