15273880

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 34485840

約数和(自身を除く): 19211960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 907, 1684, 1814, 2105, 3368, 3628, 4210, 4535, 7256, 8420, 9070, 16840, 18140, 36280, 381847, 763694, 1527388, 1909235, 3054776, 3818470, 7636940, 15273880]

約数ペア:

[(1, 15273880), (2, 7636940), (4, 3818470), (5, 3054776), (8, 1909235), (10, 1527388), (20, 763694), (40, 381847), (421, 36280), (842, 18140), (907, 16840), (1684, 9070), (1814, 8420), (2105, 7256), (3368, 4535), (3628, 4210)]