161069920

素因数分解:

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

素因数の和:245

約数の個数: 144

約数和(自身を含む): 436462992

約数和(自身を除く): 275393072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 173, 176, 184, 220, 230, 253, 346, 352, 368, 440, 460, 506, 529, 692, 736, 865, 880, 920, 1012, 1058, 1265, 1384, 1730, 1760, 1840, 1903, 2024, 2116, 2530, 2645, 2768, 3460, 3680, 3806, 3979, 4048, 4232, 5060, 5290, 5536, 5819, 6920, 7612, 7958, 8096, 8464, 9515, 10120, 10580, 11638, 13840, 15224, 15916, 16928, 19030, 19895, 20240, 21160, 23276, 27680, 29095, 30448, 31832, 38060, 39790, 40480, 42320, 43769, 46552, 58190, 60896, 63664, 76120, 79580, 84640, 87538, 91517, 93104, 116380, 127328, 152240, 159160, 175076, 183034, 186208, 218845, 232760, 304480, 318320, 350152, 366068, 437690, 457585, 465520, 636640, 700304, 732136, 875380, 915170, 931040, 1006687, 1400608, 1464272, 1750760, 1830340, 2013374, 2928544, 3501520, 3660680, 4026748, 5033435, 7003040, 7321360, 8053496, 10066870, 14642720, 16106992, 20133740, 32213984, 40267480, 80534960, 161069920]

約数ペア:

[(1, 161069920), (2, 80534960), (4, 40267480), (5, 32213984), (8, 20133740), (10, 16106992), (11, 14642720), (16, 10066870), (20, 8053496), (22, 7321360), (23, 7003040), (32, 5033435), (40, 4026748), (44, 3660680), (46, 3501520), (55, 2928544), (80, 2013374), (88, 1830340), (92, 1750760), (110, 1464272), (115, 1400608), (160, 1006687), (173, 931040), (176, 915170), (184, 875380), (220, 732136), (230, 700304), (253, 636640), (346, 465520), (352, 457585), (368, 437690), (440, 366068), (460, 350152), (506, 318320), (529, 304480), (692, 232760), (736, 218845), (865, 186208), (880, 183034), (920, 175076), (1012, 159160), (1058, 152240), (1265, 127328), (1384, 116380), (1730, 93104), (1760, 91517), (1840, 87538), (1903, 84640), (2024, 79580), (2116, 76120), (2530, 63664), (2645, 60896), (2768, 58190), (3460, 46552), (3680, 43769), (3806, 42320), (3979, 40480), (4048, 39790), (4232, 38060), (5060, 31832), (5290, 30448), (5536, 29095), (5819, 27680), (6920, 23276), (7612, 21160), (7958, 20240), (8096, 19895), (8464, 19030), (9515, 16928), (10120, 15916), (10580, 15224), (11638, 13840)]