72742140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404123}}^1$

素因数の和:404138

約数の個数: 36

約数和(自身を含む): 220651704

約数和(自身を除く): 147909564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404123, 808246, 1212369, 1616492, 2020615, 2424738, 3637107, 4041230, 4849476, 6061845, 7274214, 8082460, 12123690, 14548428, 18185535, 24247380, 36371070, 72742140]

約数ペア:

[(1, 72742140), (2, 36371070), (3, 24247380), (4, 18185535), (5, 14548428), (6, 12123690), (9, 8082460), (10, 7274214), (12, 6061845), (15, 4849476), (18, 4041230), (20, 3637107), (30, 2424738), (36, 2020615), (45, 1616492), (60, 1212369), (90, 808246), (180, 404123)]