38806140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1009}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 108934560

約数和(自身を除く): 70128420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 1009, 1282, 1923, 2018, 2564, 3027, 3205, 3846, 4036, 5045, 6054, 6410, 7692, 9615, 10090, 12108, 12820, 15135, 19230, 20180, 30270, 38460, 60540, 646769, 1293538, 1940307, 2587076, 3233845, 3880614, 6467690, 7761228, 9701535, 12935380, 19403070, 38806140]

約数ペア:

[(1, 38806140), (2, 19403070), (3, 12935380), (4, 9701535), (5, 7761228), (6, 6467690), (10, 3880614), (12, 3233845), (15, 2587076), (20, 1940307), (30, 1293538), (60, 646769), (641, 60540), (1009, 38460), (1282, 30270), (1923, 20180), (2018, 19230), (2564, 15135), (3027, 12820), (3205, 12108), (3846, 10090), (4036, 9615), (5045, 7692), (6054, 6410)]