15307960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 34768800

約数和(自身を除く): 19460840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3511, 4360, 7022, 14044, 17555, 28088, 35110, 70220, 140440, 382699, 765398, 1530796, 1913495, 3061592, 3826990, 7653980, 15307960]

約数ペア:

[(1, 15307960), (2, 7653980), (4, 3826990), (5, 3061592), (8, 1913495), (10, 1530796), (20, 765398), (40, 382699), (109, 140440), (218, 70220), (436, 35110), (545, 28088), (872, 17555), (1090, 14044), (2180, 7022), (3511, 4360)]