491346540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{909901}}^1$

素因数の和:909919

約数の個数: 48

約数和(自身を含む): 1528635360

約数和(自身を除く): 1037288820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 909901, 1819802, 2729703, 3639604, 4549505, 5459406, 8189109, 9099010, 10918812, 13648515, 16378218, 18198020, 24567327, 27297030, 32756436, 40945545, 49134654, 54594060, 81891090, 98269308, 122836635, 163782180, 245673270, 491346540]

約数ペア:

[(1, 491346540), (2, 245673270), (3, 163782180), (4, 122836635), (5, 98269308), (6, 81891090), (9, 54594060), (10, 49134654), (12, 40945545), (15, 32756436), (18, 27297030), (20, 24567327), (27, 18198020), (30, 16378218), (36, 13648515), (45, 10918812), (54, 9099010), (60, 8189109), (90, 5459406), (108, 4549505), (135, 3639604), (180, 2729703), (270, 1819802), (540, 909901)]