857518020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{4139}}^1$

素因数の和:5305

約数の個数: 72

約数和(自身を含む): 2604026880

約数和(自身を除く): 1746508860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1151, 2302, 3453, 4139, 4604, 5755, 6906, 8278, 10359, 11510, 12417, 13812, 16556, 17265, 20695, 20718, 23020, 24834, 34530, 37251, 41390, 41436, 49668, 51795, 62085, 69060, 74502, 82780, 103590, 124170, 149004, 186255, 207180, 248340, 372510, 745020, 4763989, 9527978, 14291967, 19055956, 23819945, 28583934, 42875901, 47639890, 57167868, 71459835, 85751802, 95279780, 142919670, 171503604, 214379505, 285839340, 428759010, 857518020]

約数ペア:

[(1, 857518020), (2, 428759010), (3, 285839340), (4, 214379505), (5, 171503604), (6, 142919670), (9, 95279780), (10, 85751802), (12, 71459835), (15, 57167868), (18, 47639890), (20, 42875901), (30, 28583934), (36, 23819945), (45, 19055956), (60, 14291967), (90, 9527978), (180, 4763989), (1151, 745020), (2302, 372510), (3453, 248340), (4139, 207180), (4604, 186255), (5755, 149004), (6906, 124170), (8278, 103590), (10359, 82780), (11510, 74502), (12417, 69060), (13812, 62085), (16556, 51795), (17265, 49668), (20695, 41436), (20718, 41390), (23020, 37251), (24834, 34530)]