80126520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4253}}^1$

素因数の和:4424

約数の個数: 64

約数和(自身を含む): 241967520

約数和(自身を除く): 161841000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4253, 4710, 6280, 8506, 9420, 12759, 17012, 18840, 21265, 25518, 34024, 42530, 51036, 63795, 85060, 102072, 127590, 170120, 255180, 510360, 667721, 1335442, 2003163, 2670884, 3338605, 4006326, 5341768, 6677210, 8012652, 10015815, 13354420, 16025304, 20031630, 26708840, 40063260, 80126520]

約数ペア:

[(1, 80126520), (2, 40063260), (3, 26708840), (4, 20031630), (5, 16025304), (6, 13354420), (8, 10015815), (10, 8012652), (12, 6677210), (15, 5341768), (20, 4006326), (24, 3338605), (30, 2670884), (40, 2003163), (60, 1335442), (120, 667721), (157, 510360), (314, 255180), (471, 170120), (628, 127590), (785, 102072), (942, 85060), (1256, 63795), (1570, 51036), (1884, 42530), (2355, 34024), (3140, 25518), (3768, 21265), (4253, 18840), (4710, 17012), (6280, 12759), (8506, 9420)]