138198420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{255923}}^1$

素因数の和:255941

約数の個数: 48

約数和(自身を含む): 429952320

約数和(自身を除く): 291753900

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, 255923, 511846, 767769, 1023692, 1279615, 1535538, 2303307, 2559230, 3071076, 3838845, 4606614, 5118460, 6909921, 7677690, 9213228, 11516535, 13819842, 15355380, 23033070, 27639684, 34549605, 46066140, 69099210, 138198420]

約数ペア:

[(1, 138198420), (2, 69099210), (3, 46066140), (4, 34549605), (5, 27639684), (6, 23033070), (9, 15355380), (10, 13819842), (12, 11516535), (15, 9213228), (18, 7677690), (20, 6909921), (27, 5118460), (30, 4606614), (36, 3838845), (45, 3071076), (54, 2559230), (60, 2303307), (90, 1535538), (108, 1279615), (135, 1023692), (180, 767769), (270, 511846), (540, 255923)]