66624040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{859}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 172137600

約数和(自身を除く): 105513560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 859, 1108, 1385, 1718, 1939, 2216, 2770, 3436, 3878, 4295, 5540, 6013, 6872, 7756, 8590, 9695, 11080, 12026, 15512, 17180, 19390, 24052, 30065, 34360, 38780, 48104, 60130, 77560, 120260, 237943, 240520, 475886, 951772, 1189715, 1665601, 1903544, 2379430, 3331202, 4758860, 6662404, 8328005, 9517720, 13324808, 16656010, 33312020, 66624040]

約数ペア:

[(1, 66624040), (2, 33312020), (4, 16656010), (5, 13324808), (7, 9517720), (8, 8328005), (10, 6662404), (14, 4758860), (20, 3331202), (28, 2379430), (35, 1903544), (40, 1665601), (56, 1189715), (70, 951772), (140, 475886), (277, 240520), (280, 237943), (554, 120260), (859, 77560), (1108, 60130), (1385, 48104), (1718, 38780), (1939, 34360), (2216, 30065), (2770, 24052), (3436, 19390), (3878, 17180), (4295, 15512), (5540, 12026), (6013, 11080), (6872, 9695), (7756, 8590)]