68104880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 164989440

約数和(自身を除く): 96884560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 59, 80, 94, 118, 188, 235, 236, 295, 307, 376, 470, 472, 590, 614, 752, 940, 944, 1180, 1228, 1535, 1880, 2360, 2456, 2773, 3070, 3760, 4720, 4912, 5546, 6140, 11092, 12280, 13865, 14429, 18113, 22184, 24560, 27730, 28858, 36226, 44368, 55460, 57716, 72145, 72452, 90565, 110920, 115432, 144290, 144904, 181130, 221840, 230864, 288580, 289808, 362260, 577160, 724520, 851311, 1154320, 1449040, 1702622, 3405244, 4256555, 6810488, 8513110, 13620976, 17026220, 34052440, 68104880]

約数ペア:

[(1, 68104880), (2, 34052440), (4, 17026220), (5, 13620976), (8, 8513110), (10, 6810488), (16, 4256555), (20, 3405244), (40, 1702622), (47, 1449040), (59, 1154320), (80, 851311), (94, 724520), (118, 577160), (188, 362260), (235, 289808), (236, 288580), (295, 230864), (307, 221840), (376, 181130), (470, 144904), (472, 144290), (590, 115432), (614, 110920), (752, 90565), (940, 72452), (944, 72145), (1180, 57716), (1228, 55460), (1535, 44368), (1880, 36226), (2360, 28858), (2456, 27730), (2773, 24560), (3070, 22184), (3760, 18113), (4720, 14429), (4912, 13865), (5546, 12280), (6140, 11092)]