71815040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^2$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 189163080

約数和(自身を除く): 117348040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 101, 110, 128, 160, 176, 202, 220, 320, 352, 404, 440, 505, 640, 704, 808, 880, 1010, 1111, 1408, 1616, 1760, 2020, 2222, 3232, 3520, 4040, 4444, 5555, 6464, 7040, 8080, 8888, 10201, 11110, 12928, 16160, 17776, 20402, 22220, 32320, 35552, 40804, 44440, 51005, 64640, 71104, 81608, 88880, 102010, 112211, 142208, 163216, 177760, 204020, 224422, 326432, 355520, 408040, 448844, 561055, 652864, 711040, 816080, 897688, 1122110, 1305728, 1632160, 1795376, 2244220, 3264320, 3590752, 4488440, 6528640, 7181504, 8976880, 14363008, 17953760, 35907520, 71815040]

約数ペア:

[(1, 71815040), (2, 35907520), (4, 17953760), (5, 14363008), (8, 8976880), (10, 7181504), (11, 6528640), (16, 4488440), (20, 3590752), (22, 3264320), (32, 2244220), (40, 1795376), (44, 1632160), (55, 1305728), (64, 1122110), (80, 897688), (88, 816080), (101, 711040), (110, 652864), (128, 561055), (160, 448844), (176, 408040), (202, 355520), (220, 326432), (320, 224422), (352, 204020), (404, 177760), (440, 163216), (505, 142208), (640, 112211), (704, 102010), (808, 88880), (880, 81608), (1010, 71104), (1111, 64640), (1408, 51005), (1616, 44440), (1760, 40804), (2020, 35552), (2222, 32320), (3232, 22220), (3520, 20402), (4040, 17776), (4444, 16160), (5555, 12928), (6464, 11110), (7040, 10201), (8080, 8888)]