17880520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3361}}^1$

素因数の和:3398

約数の個数: 64

約数和(自身を含む): 48412800

約数和(自身を除く): 30532280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3361, 5320, 6722, 13444, 16805, 23527, 26888, 33610, 47054, 63859, 67220, 94108, 117635, 127718, 134440, 188216, 235270, 255436, 319295, 447013, 470540, 510872, 638590, 894026, 941080, 1277180, 1788052, 2235065, 2554360, 3576104, 4470130, 8940260, 17880520]

約数ペア:

[(1, 17880520), (2, 8940260), (4, 4470130), (5, 3576104), (7, 2554360), (8, 2235065), (10, 1788052), (14, 1277180), (19, 941080), (20, 894026), (28, 638590), (35, 510872), (38, 470540), (40, 447013), (56, 319295), (70, 255436), (76, 235270), (95, 188216), (133, 134440), (140, 127718), (152, 117635), (190, 94108), (266, 67220), (280, 63859), (380, 47054), (532, 33610), (665, 26888), (760, 23527), (1064, 16805), (1330, 13444), (2660, 6722), (3361, 5320)]