988316560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{160441}}^1$

素因数の和:160472

約数の個数: 80

約数和(自身を含む): 2864852352

約数和(自身を除く): 1876535792

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 160441, 320882, 641764, 802205, 1123087, 1283528, 1604410, 1764851, 2246174, 2567056, 3208820, 3529702, 4492348, 5615435, 6417640, 7059404, 8824255, 8984696, 11230870, 12353957, 12835280, 14118808, 17648510, 17969392, 22461740, 24707914, 28237616, 35297020, 44923480, 49415828, 61769785, 70594040, 89846960, 98831656, 123539570, 141188080, 197663312, 247079140, 494158280, 988316560]

約数ペア:

[(1, 988316560), (2, 494158280), (4, 247079140), (5, 197663312), (7, 141188080), (8, 123539570), (10, 98831656), (11, 89846960), (14, 70594040), (16, 61769785), (20, 49415828), (22, 44923480), (28, 35297020), (35, 28237616), (40, 24707914), (44, 22461740), (55, 17969392), (56, 17648510), (70, 14118808), (77, 12835280), (80, 12353957), (88, 11230870), (110, 8984696), (112, 8824255), (140, 7059404), (154, 6417640), (176, 5615435), (220, 4492348), (280, 3529702), (308, 3208820), (385, 2567056), (440, 2246174), (560, 1764851), (616, 1604410), (770, 1283528), (880, 1123087), (1232, 802205), (1540, 641764), (3080, 320882), (6160, 160441)]