66027920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 176798208

約数和(自身を除く): 110770288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 751, 785, 1099, 1256, 1502, 1570, 2198, 2512, 3004, 3140, 3755, 4396, 5257, 5495, 6008, 6280, 7510, 8792, 10514, 10990, 12016, 12560, 15020, 17584, 21028, 21980, 26285, 30040, 42056, 43960, 52570, 60080, 84112, 87920, 105140, 117907, 210280, 235814, 420560, 471628, 589535, 825349, 943256, 1179070, 1650698, 1886512, 2358140, 3301396, 4126745, 4716280, 6602792, 8253490, 9432560, 13205584, 16506980, 33013960, 66027920]

約数ペア:

[(1, 66027920), (2, 33013960), (4, 16506980), (5, 13205584), (7, 9432560), (8, 8253490), (10, 6602792), (14, 4716280), (16, 4126745), (20, 3301396), (28, 2358140), (35, 1886512), (40, 1650698), (56, 1179070), (70, 943256), (80, 825349), (112, 589535), (140, 471628), (157, 420560), (280, 235814), (314, 210280), (560, 117907), (628, 105140), (751, 87920), (785, 84112), (1099, 60080), (1256, 52570), (1502, 43960), (1570, 42056), (2198, 30040), (2512, 26285), (3004, 21980), (3140, 21028), (3755, 17584), (4396, 15020), (5257, 12560), (5495, 12016), (6008, 10990), (6280, 10514), (7510, 8792)]