243386240

素因数分解:

$2^7\times 5^1\times {\mathrm{380291}}^1$

素因数の和:380310

約数の個数: 32

約数和(自身を含む): 581846760

約数和(自身を除く): 338460520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 380291, 760582, 1521164, 1901455, 3042328, 3802910, 6084656, 7605820, 12169312, 15211640, 24338624, 30423280, 48677248, 60846560, 121693120, 243386240]

約数ペア:

[(1, 243386240), (2, 121693120), (4, 60846560), (5, 48677248), (8, 30423280), (10, 24338624), (16, 15211640), (20, 12169312), (32, 7605820), (40, 6084656), (64, 3802910), (80, 3042328), (128, 1901455), (160, 1521164), (320, 760582), (640, 380291)]