61439840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4987}}^1$

素因数の和:5020

約数の個数: 96

約数和(自身を含む): 181004544

約数和(自身を除く): 119564704

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 4987, 6160, 9974, 12320, 19948, 24935, 34909, 39896, 49870, 54857, 69818, 79792, 99740, 109714, 139636, 159584, 174545, 199480, 219428, 274285, 279272, 349090, 383999, 398960, 438856, 548570, 558544, 698180, 767998, 797920, 877712, 1097140, 1117088, 1396360, 1535996, 1755424, 1919995, 2194280, 2792720, 3071992, 3839990, 4388560, 5585440, 6143984, 7679980, 8777120, 12287968, 15359960, 30719920, 61439840]

約数ペア:

[(1, 61439840), (2, 30719920), (4, 15359960), (5, 12287968), (7, 8777120), (8, 7679980), (10, 6143984), (11, 5585440), (14, 4388560), (16, 3839990), (20, 3071992), (22, 2792720), (28, 2194280), (32, 1919995), (35, 1755424), (40, 1535996), (44, 1396360), (55, 1117088), (56, 1097140), (70, 877712), (77, 797920), (80, 767998), (88, 698180), (110, 558544), (112, 548570), (140, 438856), (154, 398960), (160, 383999), (176, 349090), (220, 279272), (224, 274285), (280, 219428), (308, 199480), (352, 174545), (385, 159584), (440, 139636), (560, 109714), (616, 99740), (770, 79792), (880, 69818), (1120, 54857), (1232, 49870), (1540, 39896), (1760, 34909), (2464, 24935), (3080, 19948), (4987, 12320), (6160, 9974)]