28012160

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 76671360

約数和(自身を除く): 48659200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 173, 176, 184, 220, 230, 253, 320, 346, 352, 368, 440, 460, 506, 640, 692, 704, 736, 865, 880, 920, 1012, 1265, 1384, 1408, 1472, 1730, 1760, 1840, 1903, 2024, 2530, 2768, 2944, 3460, 3520, 3680, 3806, 3979, 4048, 5060, 5536, 6920, 7040, 7360, 7612, 7958, 8096, 9515, 10120, 11072, 13840, 14720, 15224, 15916, 16192, 19030, 19895, 20240, 22144, 27680, 30448, 31832, 32384, 38060, 39790, 40480, 43769, 55360, 60896, 63664, 76120, 79580, 80960, 87538, 110720, 121792, 127328, 152240, 159160, 161920, 175076, 218845, 243584, 254656, 304480, 318320, 350152, 437690, 509312, 608960, 636640, 700304, 875380, 1217920, 1273280, 1400608, 1750760, 2546560, 2801216, 3501520, 5602432, 7003040, 14006080, 28012160]

約数ペア:

[(1, 28012160), (2, 14006080), (4, 7003040), (5, 5602432), (8, 3501520), (10, 2801216), (11, 2546560), (16, 1750760), (20, 1400608), (22, 1273280), (23, 1217920), (32, 875380), (40, 700304), (44, 636640), (46, 608960), (55, 509312), (64, 437690), (80, 350152), (88, 318320), (92, 304480), (110, 254656), (115, 243584), (128, 218845), (160, 175076), (173, 161920), (176, 159160), (184, 152240), (220, 127328), (230, 121792), (253, 110720), (320, 87538), (346, 80960), (352, 79580), (368, 76120), (440, 63664), (460, 60896), (506, 55360), (640, 43769), (692, 40480), (704, 39790), (736, 38060), (865, 32384), (880, 31832), (920, 30448), (1012, 27680), (1265, 22144), (1384, 20240), (1408, 19895), (1472, 19030), (1730, 16192), (1760, 15916), (1840, 15224), (1903, 14720), (2024, 13840), (2530, 11072), (2768, 10120), (2944, 9515), (3460, 8096), (3520, 7958), (3680, 7612), (3806, 7360), (3979, 7040), (4048, 6920), (5060, 5536)]