68690640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1823}}^1$

素因数の和:1996

約数の個数: 80

約数和(自身を含む): 214414848

約数和(自身を除く): 145724208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1823, 1884, 2355, 2512, 3140, 3646, 3768, 4710, 5469, 6280, 7292, 7536, 9115, 9420, 10938, 12560, 14584, 18230, 18840, 21876, 27345, 29168, 36460, 37680, 43752, 54690, 72920, 87504, 109380, 145840, 218760, 286211, 437520, 572422, 858633, 1144844, 1431055, 1717266, 2289688, 2862110, 3434532, 4293165, 4579376, 5724220, 6869064, 8586330, 11448440, 13738128, 17172660, 22896880, 34345320, 68690640]

約数ペア:

[(1, 68690640), (2, 34345320), (3, 22896880), (4, 17172660), (5, 13738128), (6, 11448440), (8, 8586330), (10, 6869064), (12, 5724220), (15, 4579376), (16, 4293165), (20, 3434532), (24, 2862110), (30, 2289688), (40, 1717266), (48, 1431055), (60, 1144844), (80, 858633), (120, 572422), (157, 437520), (240, 286211), (314, 218760), (471, 145840), (628, 109380), (785, 87504), (942, 72920), (1256, 54690), (1570, 43752), (1823, 37680), (1884, 36460), (2355, 29168), (2512, 27345), (3140, 21876), (3646, 18840), (3768, 18230), (4710, 14584), (5469, 12560), (6280, 10938), (7292, 9420), (7536, 9115)]