15138880

素因数分解:

$2^6\times 5^1\times {\mathrm{47309}}^1$

素因数の和:47326

約数の個数: 28

約数和(自身を含む): 36050220

約数和(自身を除く): 20911340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 47309, 94618, 189236, 236545, 378472, 473090, 756944, 946180, 1513888, 1892360, 3027776, 3784720, 7569440, 15138880]

約数ペア:

[(1, 15138880), (2, 7569440), (4, 3784720), (5, 3027776), (8, 1892360), (10, 1513888), (16, 946180), (20, 756944), (32, 473090), (40, 378472), (64, 236545), (80, 189236), (160, 94618), (320, 47309)]