31819040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 83280960

約数和(自身を除く): 51461920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 160, 176, 179, 202, 220, 352, 358, 404, 440, 505, 716, 808, 880, 895, 1010, 1111, 1432, 1616, 1760, 1790, 1969, 2020, 2222, 2864, 3232, 3580, 3938, 4040, 4444, 5555, 5728, 7160, 7876, 8080, 8888, 9845, 11110, 14320, 15752, 16160, 17776, 18079, 19690, 22220, 28640, 31504, 35552, 36158, 39380, 44440, 63008, 72316, 78760, 88880, 90395, 144632, 157520, 177760, 180790, 198869, 289264, 315040, 361580, 397738, 578528, 723160, 795476, 994345, 1446320, 1590952, 1988690, 2892640, 3181904, 3977380, 6363808, 7954760, 15909520, 31819040]

約数ペア:

[(1, 31819040), (2, 15909520), (4, 7954760), (5, 6363808), (8, 3977380), (10, 3181904), (11, 2892640), (16, 1988690), (20, 1590952), (22, 1446320), (32, 994345), (40, 795476), (44, 723160), (55, 578528), (80, 397738), (88, 361580), (101, 315040), (110, 289264), (160, 198869), (176, 180790), (179, 177760), (202, 157520), (220, 144632), (352, 90395), (358, 88880), (404, 78760), (440, 72316), (505, 63008), (716, 44440), (808, 39380), (880, 36158), (895, 35552), (1010, 31504), (1111, 28640), (1432, 22220), (1616, 19690), (1760, 18079), (1790, 17776), (1969, 16160), (2020, 15752), (2222, 14320), (2864, 11110), (3232, 9845), (3580, 8888), (3938, 8080), (4040, 7876), (4444, 7160), (5555, 5728)]