71281760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 96

約数和(自身を含む): 185994144

約数和(自身を除く): 114712384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 160, 176, 202, 220, 352, 401, 404, 440, 505, 802, 808, 880, 1010, 1111, 1604, 1616, 1760, 2005, 2020, 2222, 3208, 3232, 4010, 4040, 4411, 4444, 5555, 6416, 8020, 8080, 8822, 8888, 11110, 12832, 16040, 16160, 17644, 17776, 22055, 22220, 32080, 35288, 35552, 40501, 44110, 44440, 64160, 70576, 81002, 88220, 88880, 141152, 162004, 176440, 177760, 202505, 324008, 352880, 405010, 445511, 648016, 705760, 810020, 891022, 1296032, 1620040, 1782044, 2227555, 3240080, 3564088, 4455110, 6480160, 7128176, 8910220, 14256352, 17820440, 35640880, 71281760]

約数ペア:

[(1, 71281760), (2, 35640880), (4, 17820440), (5, 14256352), (8, 8910220), (10, 7128176), (11, 6480160), (16, 4455110), (20, 3564088), (22, 3240080), (32, 2227555), (40, 1782044), (44, 1620040), (55, 1296032), (80, 891022), (88, 810020), (101, 705760), (110, 648016), (160, 445511), (176, 405010), (202, 352880), (220, 324008), (352, 202505), (401, 177760), (404, 176440), (440, 162004), (505, 141152), (802, 88880), (808, 88220), (880, 81002), (1010, 70576), (1111, 64160), (1604, 44440), (1616, 44110), (1760, 40501), (2005, 35552), (2020, 35288), (2222, 32080), (3208, 22220), (3232, 22055), (4010, 17776), (4040, 17644), (4411, 16160), (4444, 16040), (5555, 12832), (6416, 11110), (8020, 8888), (8080, 8822)]