15357040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1979}}^1$

素因数の和:2089

約数の個数: 40

約数和(自身を含む): 36091440

約数和(自身を除く): 20734400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 1979, 3880, 3958, 7760, 7916, 9895, 15832, 19790, 31664, 39580, 79160, 158320, 191963, 383926, 767852, 959815, 1535704, 1919630, 3071408, 3839260, 7678520, 15357040]

約数ペア:

[(1, 15357040), (2, 7678520), (4, 3839260), (5, 3071408), (8, 1919630), (10, 1535704), (16, 959815), (20, 767852), (40, 383926), (80, 191963), (97, 158320), (194, 79160), (388, 39580), (485, 31664), (776, 19790), (970, 15832), (1552, 9895), (1940, 7916), (1979, 7760), (3880, 3958)]