135808640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 359562240

約数和(自身を除く): 223753600

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, 191, 202, 220, 320, 352, 382, 404, 440, 505, 640, 704, 764, 808, 880, 955, 1010, 1111, 1408, 1528, 1616, 1760, 1910, 2020, 2101, 2222, 3056, 3232, 3520, 3820, 4040, 4202, 4444, 5555, 6112, 6464, 7040, 7640, 8080, 8404, 8888, 10505, 11110, 12224, 12928, 15280, 16160, 16808, 17776, 19291, 21010, 22220, 24448, 30560, 32320, 33616, 35552, 38582, 42020, 44440, 61120, 64640, 67232, 71104, 77164, 84040, 88880, 96455, 122240, 134464, 142208, 154328, 168080, 177760, 192910, 212201, 268928, 308656, 336160, 355520, 385820, 424402, 617312, 672320, 711040, 771640, 848804, 1061005, 1234624, 1344640, 1543280, 1697608, 2122010, 2469248, 3086560, 3395216, 4244020, 6173120, 6790432, 8488040, 12346240, 13580864, 16976080, 27161728, 33952160, 67904320, 135808640]

約数ペア:

[(1, 135808640), (2, 67904320), (4, 33952160), (5, 27161728), (8, 16976080), (10, 13580864), (11, 12346240), (16, 8488040), (20, 6790432), (22, 6173120), (32, 4244020), (40, 3395216), (44, 3086560), (55, 2469248), (64, 2122010), (80, 1697608), (88, 1543280), (101, 1344640), (110, 1234624), (128, 1061005), (160, 848804), (176, 771640), (191, 711040), (202, 672320), (220, 617312), (320, 424402), (352, 385820), (382, 355520), (404, 336160), (440, 308656), (505, 268928), (640, 212201), (704, 192910), (764, 177760), (808, 168080), (880, 154328), (955, 142208), (1010, 134464), (1111, 122240), (1408, 96455), (1528, 88880), (1616, 84040), (1760, 77164), (1910, 71104), (2020, 67232), (2101, 64640), (2222, 61120), (3056, 44440), (3232, 42020), (3520, 38582), (3820, 35552), (4040, 33616), (4202, 32320), (4444, 30560), (5555, 24448), (6112, 22220), (6464, 21010), (7040, 19291), (7640, 17776), (8080, 16808), (8404, 16160), (8888, 15280), (10505, 12928), (11110, 12224)]