26438220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 80720640

約数和(自身を除く): 54282420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 769, 955, 1146, 1538, 1719, 1910, 2292, 2307, 2865, 3076, 3438, 3820, 3845, 4614, 5730, 6876, 6921, 7690, 8595, 9228, 11460, 11535, 13842, 15380, 17190, 23070, 27684, 34380, 34605, 46140, 69210, 138420, 146879, 293758, 440637, 587516, 734395, 881274, 1321911, 1468790, 1762548, 2203185, 2643822, 2937580, 4406370, 5287644, 6609555, 8812740, 13219110, 26438220]

約数ペア:

[(1, 26438220), (2, 13219110), (3, 8812740), (4, 6609555), (5, 5287644), (6, 4406370), (9, 2937580), (10, 2643822), (12, 2203185), (15, 1762548), (18, 1468790), (20, 1321911), (30, 881274), (36, 734395), (45, 587516), (60, 440637), (90, 293758), (180, 146879), (191, 138420), (382, 69210), (573, 46140), (764, 34605), (769, 34380), (955, 27684), (1146, 23070), (1538, 17190), (1719, 15380), (1910, 13842), (2292, 11535), (2307, 11460), (2865, 9228), (3076, 8595), (3438, 7690), (3820, 6921), (3845, 6876), (4614, 5730)]