15182120

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{991}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 19101400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 991, 1532, 1915, 1982, 3064, 3830, 3964, 4955, 7660, 7928, 9910, 15320, 19820, 39640, 379553, 759106, 1518212, 1897765, 3036424, 3795530, 7591060, 15182120]

約数ペア:

[(1, 15182120), (2, 7591060), (4, 3795530), (5, 3036424), (8, 1897765), (10, 1518212), (20, 759106), (40, 379553), (383, 39640), (766, 19820), (991, 15320), (1532, 9910), (1915, 7928), (1982, 7660), (3064, 4955), (3830, 3964)]