128257860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125743}}^1$

素因数の和:125772

約数の個数: 48

約数和(自身を含む): 380249856

約数和(自身を除く): 251991996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 125743, 251486, 377229, 502972, 628715, 754458, 1257430, 1508916, 1886145, 2137631, 2514860, 3772290, 4275262, 6412893, 7544580, 8550524, 10688155, 12825786, 21376310, 25651572, 32064465, 42752620, 64128930, 128257860]

約数ペア:

[(1, 128257860), (2, 64128930), (3, 42752620), (4, 32064465), (5, 25651572), (6, 21376310), (10, 12825786), (12, 10688155), (15, 8550524), (17, 7544580), (20, 6412893), (30, 4275262), (34, 3772290), (51, 2514860), (60, 2137631), (68, 1886145), (85, 1508916), (102, 1257430), (170, 754458), (204, 628715), (255, 502972), (340, 377229), (510, 251486), (1020, 125743)]