135721760

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19727}}^1$

素因数の和:19785

約数の個数: 48

約数和(自身を含む): 328116096

約数和(自身を除く): 192394336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 19727, 39454, 78908, 98635, 157816, 197270, 315632, 394540, 631264, 789080, 848261, 1578160, 1696522, 3156320, 3393044, 4241305, 6786088, 8482610, 13572176, 16965220, 27144352, 33930440, 67860880, 135721760]

約数ペア:

[(1, 135721760), (2, 67860880), (4, 33930440), (5, 27144352), (8, 16965220), (10, 13572176), (16, 8482610), (20, 6786088), (32, 4241305), (40, 3393044), (43, 3156320), (80, 1696522), (86, 1578160), (160, 848261), (172, 789080), (215, 631264), (344, 394540), (430, 315632), (688, 197270), (860, 157816), (1376, 98635), (1720, 78908), (3440, 39454), (6880, 19727)]