82078020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{455989}}^1$

素因数の和:456004

約数の個数: 36

約数和(自身を含む): 248970540

約数和(自身を除く): 166892520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 455989, 911978, 1367967, 1823956, 2279945, 2735934, 4103901, 4559890, 5471868, 6839835, 8207802, 9119780, 13679670, 16415604, 20519505, 27359340, 41039010, 82078020]

約数ペア:

[(1, 82078020), (2, 41039010), (3, 27359340), (4, 20519505), (5, 16415604), (6, 13679670), (9, 9119780), (10, 8207802), (12, 6839835), (15, 5471868), (18, 4559890), (20, 4103901), (30, 2735934), (36, 2279945), (45, 1823956), (60, 1367967), (90, 911978), (180, 455989)]