77843920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12637}}^1$

素因数の和:12668

約数の個数: 80

約数和(自身を含む): 225664128

約数和(自身を除く): 147820208

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, 12637, 25274, 50548, 63185, 88459, 101096, 126370, 139007, 176918, 202192, 252740, 278014, 353836, 442295, 505480, 556028, 695035, 707672, 884590, 973049, 1010960, 1112056, 1390070, 1415344, 1769180, 1946098, 2224112, 2780140, 3538360, 3892196, 4865245, 5560280, 7076720, 7784392, 9730490, 11120560, 15568784, 19460980, 38921960, 77843920]

約数ペア:

[(1, 77843920), (2, 38921960), (4, 19460980), (5, 15568784), (7, 11120560), (8, 9730490), (10, 7784392), (11, 7076720), (14, 5560280), (16, 4865245), (20, 3892196), (22, 3538360), (28, 2780140), (35, 2224112), (40, 1946098), (44, 1769180), (55, 1415344), (56, 1390070), (70, 1112056), (77, 1010960), (80, 973049), (88, 884590), (110, 707672), (112, 695035), (140, 556028), (154, 505480), (176, 442295), (220, 353836), (280, 278014), (308, 252740), (385, 202192), (440, 176918), (560, 139007), (616, 126370), (770, 101096), (880, 88459), (1232, 63185), (1540, 50548), (3080, 25274), (6160, 12637)]