80632720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1051}}^1$

素因数の和:1208

約数の個数: 80

約数和(自身を含む): 216021888

約数和(自身を除く): 135389168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 959, 1051, 1096, 1370, 1918, 2102, 2192, 2740, 3836, 4204, 4795, 5255, 5480, 7357, 7672, 8408, 9590, 10510, 10960, 14714, 15344, 16816, 19180, 21020, 29428, 36785, 38360, 42040, 58856, 73570, 76720, 84080, 117712, 143987, 147140, 287974, 294280, 575948, 588560, 719935, 1007909, 1151896, 1439870, 2015818, 2303792, 2879740, 4031636, 5039545, 5759480, 8063272, 10079090, 11518960, 16126544, 20158180, 40316360, 80632720]

約数ペア:

[(1, 80632720), (2, 40316360), (4, 20158180), (5, 16126544), (7, 11518960), (8, 10079090), (10, 8063272), (14, 5759480), (16, 5039545), (20, 4031636), (28, 2879740), (35, 2303792), (40, 2015818), (56, 1439870), (70, 1151896), (80, 1007909), (112, 719935), (137, 588560), (140, 575948), (274, 294280), (280, 287974), (548, 147140), (560, 143987), (685, 117712), (959, 84080), (1051, 76720), (1096, 73570), (1370, 58856), (1918, 42040), (2102, 38360), (2192, 36785), (2740, 29428), (3836, 21020), (4204, 19180), (4795, 16816), (5255, 15344), (5480, 14714), (7357, 10960), (7672, 10510), (8408, 9590)]