64625680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3119}}^1$

素因数の和:3176

約数の個数: 80

約数和(自身を含む): 176417280

約数和(自身を除く): 111791600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 3119, 4144, 5180, 6238, 10360, 12476, 15595, 20720, 21833, 24952, 31190, 43666, 49904, 62380, 87332, 109165, 115403, 124760, 174664, 218330, 230806, 249520, 349328, 436660, 461612, 577015, 807821, 873320, 923224, 1154030, 1615642, 1746640, 1846448, 2308060, 3231284, 4039105, 4616120, 6462568, 8078210, 9232240, 12925136, 16156420, 32312840, 64625680]

約数ペア:

[(1, 64625680), (2, 32312840), (4, 16156420), (5, 12925136), (7, 9232240), (8, 8078210), (10, 6462568), (14, 4616120), (16, 4039105), (20, 3231284), (28, 2308060), (35, 1846448), (37, 1746640), (40, 1615642), (56, 1154030), (70, 923224), (74, 873320), (80, 807821), (112, 577015), (140, 461612), (148, 436660), (185, 349328), (259, 249520), (280, 230806), (296, 218330), (370, 174664), (518, 124760), (560, 115403), (592, 109165), (740, 87332), (1036, 62380), (1295, 49904), (1480, 43666), (2072, 31190), (2590, 24952), (2960, 21833), (3119, 20720), (4144, 15595), (5180, 12476), (6238, 10360)]