79909020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443939}}^1$

素因数の和:443954

約数の個数: 36

約数和(自身を含む): 242391240

約数和(自身を除く): 162482220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443939, 887878, 1331817, 1775756, 2219695, 2663634, 3995451, 4439390, 5327268, 6659085, 7990902, 8878780, 13318170, 15981804, 19977255, 26636340, 39954510, 79909020]

約数ペア:

[(1, 79909020), (2, 39954510), (3, 26636340), (4, 19977255), (5, 15981804), (6, 13318170), (9, 8878780), (10, 7990902), (12, 6659085), (15, 5327268), (18, 4439390), (20, 3995451), (30, 2663634), (36, 2219695), (45, 1775756), (60, 1331817), (90, 887878), (180, 443939)]