64438020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{357989}}^1$

素因数の和:358004

約数の個数: 36

約数和(自身を含む): 195462540

約数和(自身を除く): 131024520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 357989, 715978, 1073967, 1431956, 1789945, 2147934, 3221901, 3579890, 4295868, 5369835, 6443802, 7159780, 10739670, 12887604, 16109505, 21479340, 32219010, 64438020]

約数ペア:

[(1, 64438020), (2, 32219010), (3, 21479340), (4, 16109505), (5, 12887604), (6, 10739670), (9, 7159780), (10, 6443802), (12, 5369835), (15, 4295868), (18, 3579890), (20, 3221901), (30, 2147934), (36, 1789945), (45, 1431956), (60, 1073967), (90, 715978), (180, 357989)]