8660120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 22524480

約数和(自身を除く): 13864360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 197, 280, 314, 394, 628, 785, 788, 985, 1099, 1256, 1379, 1570, 1576, 1970, 2198, 2758, 3140, 3940, 4396, 5495, 5516, 6280, 6895, 7880, 8792, 10990, 11032, 13790, 21980, 27580, 30929, 43960, 55160, 61858, 123716, 154645, 216503, 247432, 309290, 433006, 618580, 866012, 1082515, 1237160, 1732024, 2165030, 4330060, 8660120]

約数ペア:

[(1, 8660120), (2, 4330060), (4, 2165030), (5, 1732024), (7, 1237160), (8, 1082515), (10, 866012), (14, 618580), (20, 433006), (28, 309290), (35, 247432), (40, 216503), (56, 154645), (70, 123716), (140, 61858), (157, 55160), (197, 43960), (280, 30929), (314, 27580), (394, 21980), (628, 13790), (785, 11032), (788, 10990), (985, 8792), (1099, 7880), (1256, 6895), (1379, 6280), (1570, 5516), (1576, 5495), (1970, 4396), (2198, 3940), (2758, 3140)]