2154420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11969}}^1$

素因数の和:11984

約数の個数: 36

約数和(自身を含む): 6535620

約数和(自身を除く): 4381200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11969, 23938, 35907, 47876, 59845, 71814, 107721, 119690, 143628, 179535, 215442, 239380, 359070, 430884, 538605, 718140, 1077210, 2154420]

約数ペア:

[(1, 2154420), (2, 1077210), (3, 718140), (4, 538605), (5, 430884), (6, 359070), (9, 239380), (10, 215442), (12, 179535), (15, 143628), (18, 119690), (20, 107721), (30, 71814), (36, 59845), (45, 47876), (60, 35907), (90, 23938), (180, 11969)]