77905520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12647}}^1$

素因数の和:12678

約数の個数: 80

約数和(自身を含む): 225842688

約数和(自身を除く): 147937168

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, 12647, 25294, 50588, 63235, 88529, 101176, 126470, 139117, 177058, 202352, 252940, 278234, 354116, 442645, 505880, 556468, 695585, 708232, 885290, 973819, 1011760, 1112936, 1391170, 1416464, 1770580, 1947638, 2225872, 2782340, 3541160, 3895276, 4869095, 5564680, 7082320, 7790552, 9738190, 11129360, 15581104, 19476380, 38952760, 77905520]

約数ペア:

[(1, 77905520), (2, 38952760), (4, 19476380), (5, 15581104), (7, 11129360), (8, 9738190), (10, 7790552), (11, 7082320), (14, 5564680), (16, 4869095), (20, 3895276), (22, 3541160), (28, 2782340), (35, 2225872), (40, 1947638), (44, 1770580), (55, 1416464), (56, 1391170), (70, 1112936), (77, 1011760), (80, 973819), (88, 885290), (110, 708232), (112, 695585), (140, 556468), (154, 505880), (176, 442645), (220, 354116), (280, 278234), (308, 252940), (385, 202352), (440, 177058), (560, 139117), (616, 126470), (770, 101176), (880, 88529), (1232, 63235), (1540, 50588), (3080, 25294), (6160, 12647)]