66709360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 165739392

約数和(自身を除く): 99030032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 271, 272, 340, 362, 542, 680, 724, 905, 1084, 1355, 1360, 1448, 1810, 2168, 2710, 2896, 3077, 3620, 4336, 4607, 5420, 6154, 7240, 9214, 10840, 12308, 14480, 15385, 18428, 21680, 23035, 24616, 30770, 36856, 46070, 49051, 49232, 61540, 73712, 92140, 98102, 123080, 184280, 196204, 245255, 246160, 368560, 392408, 490510, 784816, 833867, 981020, 1667734, 1962040, 3335468, 3924080, 4169335, 6670936, 8338670, 13341872, 16677340, 33354680, 66709360]

約数ペア:

[(1, 66709360), (2, 33354680), (4, 16677340), (5, 13341872), (8, 8338670), (10, 6670936), (16, 4169335), (17, 3924080), (20, 3335468), (34, 1962040), (40, 1667734), (68, 981020), (80, 833867), (85, 784816), (136, 490510), (170, 392408), (181, 368560), (271, 246160), (272, 245255), (340, 196204), (362, 184280), (542, 123080), (680, 98102), (724, 92140), (905, 73712), (1084, 61540), (1355, 49232), (1360, 49051), (1448, 46070), (1810, 36856), (2168, 30770), (2710, 24616), (2896, 23035), (3077, 21680), (3620, 18428), (4336, 15385), (4607, 14480), (5420, 12308), (6154, 10840), (7240, 9214)]