70270020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{390389}}^1$

素因数の和:390404

約数の個数: 36

約数和(自身を含む): 213152940

約数和(自身を除く): 142882920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 390389, 780778, 1171167, 1561556, 1951945, 2342334, 3513501, 3903890, 4684668, 5855835, 7027002, 7807780, 11711670, 14054004, 17567505, 23423340, 35135010, 70270020]

約数ペア:

[(1, 70270020), (2, 35135010), (3, 23423340), (4, 17567505), (5, 14054004), (6, 11711670), (9, 7807780), (10, 7027002), (12, 5855835), (15, 4684668), (18, 3903890), (20, 3513501), (30, 2342334), (36, 1951945), (45, 1561556), (60, 1171167), (90, 780778), (180, 390389)]