138189780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{255907}}^1$

素因数の和:255925

約数の個数: 48

約数和(自身を含む): 429925440

約数和(自身を除く): 291735660

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, 255907, 511814, 767721, 1023628, 1279535, 1535442, 2303163, 2559070, 3070884, 3838605, 4606326, 5118140, 6909489, 7677210, 9212652, 11515815, 13818978, 15354420, 23031630, 27637956, 34547445, 46063260, 69094890, 138189780]

約数ペア:

[(1, 138189780), (2, 69094890), (3, 46063260), (4, 34547445), (5, 27637956), (6, 23031630), (9, 15354420), (10, 13818978), (12, 11515815), (15, 9212652), (18, 7677210), (20, 6909489), (27, 5118140), (30, 4606326), (36, 3838605), (45, 3070884), (54, 2559070), (60, 2303163), (90, 1535442), (108, 1279535), (135, 1023628), (180, 767721), (270, 511814), (540, 255907)]