28974420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{160969}}^1$

素因数の和:160984

約数の個数: 36

約数和(自身を含む): 87889620

約数和(自身を除く): 58915200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 160969, 321938, 482907, 643876, 804845, 965814, 1448721, 1609690, 1931628, 2414535, 2897442, 3219380, 4829070, 5794884, 7243605, 9658140, 14487210, 28974420]

約数ペア:

[(1, 28974420), (2, 14487210), (3, 9658140), (4, 7243605), (5, 5794884), (6, 4829070), (9, 3219380), (10, 2897442), (12, 2414535), (15, 1931628), (18, 1609690), (20, 1448721), (30, 965814), (36, 804845), (45, 643876), (60, 482907), (90, 321938), (180, 160969)]