64878880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 168956928

約数和(自身を除く): 104078048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 191, 193, 220, 352, 382, 386, 440, 764, 772, 880, 955, 965, 1528, 1544, 1760, 1910, 1930, 2101, 2123, 3056, 3088, 3820, 3860, 4202, 4246, 6112, 6176, 7640, 7720, 8404, 8492, 10505, 10615, 15280, 15440, 16808, 16984, 21010, 21230, 30560, 30880, 33616, 33968, 36863, 42020, 42460, 67232, 67936, 73726, 84040, 84920, 147452, 168080, 169840, 184315, 294904, 336160, 339680, 368630, 405493, 589808, 737260, 810986, 1179616, 1474520, 1621972, 2027465, 2949040, 3243944, 4054930, 5898080, 6487888, 8109860, 12975776, 16219720, 32439440, 64878880]

約数ペア:

[(1, 64878880), (2, 32439440), (4, 16219720), (5, 12975776), (8, 8109860), (10, 6487888), (11, 5898080), (16, 4054930), (20, 3243944), (22, 2949040), (32, 2027465), (40, 1621972), (44, 1474520), (55, 1179616), (80, 810986), (88, 737260), (110, 589808), (160, 405493), (176, 368630), (191, 339680), (193, 336160), (220, 294904), (352, 184315), (382, 169840), (386, 168080), (440, 147452), (764, 84920), (772, 84040), (880, 73726), (955, 67936), (965, 67232), (1528, 42460), (1544, 42020), (1760, 36863), (1910, 33968), (1930, 33616), (2101, 30880), (2123, 30560), (3056, 21230), (3088, 21010), (3820, 16984), (3860, 16808), (4202, 15440), (4246, 15280), (6112, 10615), (6176, 10505), (7640, 8492), (7720, 8404)]