218203380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1212241}}^1$

素因数の和:1212256

約数の個数: 36

約数和(自身を含む): 661884132

約数和(自身を除く): 443680752

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1212241, 2424482, 3636723, 4848964, 6061205, 7273446, 10910169, 12122410, 14546892, 18183615, 21820338, 24244820, 36367230, 43640676, 54550845, 72734460, 109101690, 218203380]

約数ペア:

[(1, 218203380), (2, 109101690), (3, 72734460), (4, 54550845), (5, 43640676), (6, 36367230), (9, 24244820), (10, 21820338), (12, 18183615), (15, 14546892), (18, 12122410), (20, 10910169), (30, 7273446), (36, 6061205), (45, 4848964), (60, 3636723), (90, 2424482), (180, 1212241)]