78335480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1747}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 188784000

約数和(自身を除く): 110448520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 1747, 2242, 2360, 3494, 4484, 5605, 6988, 8735, 8968, 11210, 13976, 17470, 22420, 33193, 34940, 44840, 66386, 69880, 103073, 132772, 165965, 206146, 265544, 331930, 412292, 515365, 663860, 824584, 1030730, 1327720, 1958387, 2061460, 3916774, 4122920, 7833548, 9791935, 15667096, 19583870, 39167740, 78335480]

約数ペア:

[(1, 78335480), (2, 39167740), (4, 19583870), (5, 15667096), (8, 9791935), (10, 7833548), (19, 4122920), (20, 3916774), (38, 2061460), (40, 1958387), (59, 1327720), (76, 1030730), (95, 824584), (118, 663860), (152, 515365), (190, 412292), (236, 331930), (295, 265544), (380, 206146), (472, 165965), (590, 132772), (760, 103073), (1121, 69880), (1180, 66386), (1747, 44840), (2242, 34940), (2360, 33193), (3494, 22420), (4484, 17470), (5605, 13976), (6988, 11210), (8735, 8968)]