20168144480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:550

約数の個数: 288

約数和(自身を含む): 55903079232

約数和(自身を除く): 35734934752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 233, 242, 263, 272, 340, 352, 374, 440, 466, 484, 526, 544, 605, 680, 748, 880, 932, 935, 968, 1052, 1165, 1210, 1315, 1360, 1496, 1760, 1864, 1870, 1936, 2057, 2104, 2330, 2420, 2563, 2630, 2720, 2893, 2992, 3728, 3740, 3872, 3961, 4114, 4208, 4471, 4660, 4840, 5126, 5260, 5786, 5984, 7456, 7480, 7922, 8228, 8416, 8942, 9320, 9680, 10252, 10285, 10520, 11572, 12815, 14465, 14960, 15844, 16456, 17884, 18640, 19360, 19805, 20504, 20570, 21040, 22355, 23144, 25630, 28193, 28930, 29920, 31688, 31823, 32912, 35768, 37280, 39610, 41008, 41140, 42080, 43571, 44710, 46288, 49181, 51260, 56386, 57860, 61279, 63376, 63646, 65824, 71536, 79220, 82016, 82280, 87142, 89420, 92576, 98362, 102520, 112772, 115720, 122558, 126752, 127292, 140965, 143072, 158440, 159115, 164560, 174284, 178840, 196724, 205040, 217855, 225544, 231440, 245116, 245905, 254584, 281930, 306395, 316880, 318230, 329120, 348568, 357680, 393448, 410080, 435710, 451088, 462880, 479281, 490232, 491810, 509168, 540991, 563860, 612790, 633760, 636460, 674069, 697136, 715360, 786896, 871420, 902176, 958562, 980464, 983620, 1018336, 1041743, 1081982, 1127720, 1225580, 1272920, 1348138, 1394272, 1573792, 1742840, 1917124, 1960928, 1967240, 2083486, 2163964, 2255440, 2396405, 2451160, 2545840, 2696276, 2704955, 3370345, 3485680, 3834248, 3934480, 4166972, 4327928, 4510880, 4792810, 4902320, 5091680, 5208715, 5392552, 5409910, 6740690, 6971360, 7414759, 7668496, 7868960, 8333944, 8655856, 9585620, 9804640, 10417430, 10785104, 10819820, 11459173, 13481380, 14829518, 15336992, 16667888, 17311712, 19171240, 20834860, 21570208, 21639640, 22918346, 26962760, 29659036, 33335776, 37073795, 38342480, 41669720, 43279280, 45836692, 53925520, 57295865, 59318072, 74147590, 76684960, 83339440, 86558560, 91673384, 107851040, 114591730, 118636144, 126050903, 148295180, 166678880, 183346768, 229183460, 237272288, 252101806, 296590360, 366693536, 458366920, 504203612, 593180720, 630254515, 916733840, 1008407224, 1186361440, 1260509030, 1833467680, 2016814448, 2521018060, 4033628896, 5042036120, 10084072240, 20168144480]

約数ペア:

[(1, 20168144480), (2, 10084072240), (4, 5042036120), (5, 4033628896), (8, 2521018060), (10, 2016814448), (11, 1833467680), (16, 1260509030), (17, 1186361440), (20, 1008407224), (22, 916733840), (32, 630254515), (34, 593180720), (40, 504203612), (44, 458366920), (55, 366693536), (68, 296590360), (80, 252101806), (85, 237272288), (88, 229183460), (110, 183346768), (121, 166678880), (136, 148295180), (160, 126050903), (170, 118636144), (176, 114591730), (187, 107851040), (220, 91673384), (233, 86558560), (242, 83339440), (263, 76684960), (272, 74147590), (340, 59318072), (352, 57295865), (374, 53925520), (440, 45836692), (466, 43279280), (484, 41669720), (526, 38342480), (544, 37073795), (605, 33335776), (680, 29659036), (748, 26962760), (880, 22918346), (932, 21639640), (935, 21570208), (968, 20834860), (1052, 19171240), (1165, 17311712), (1210, 16667888), (1315, 15336992), (1360, 14829518), (1496, 13481380), (1760, 11459173), (1864, 10819820), (1870, 10785104), (1936, 10417430), (2057, 9804640), (2104, 9585620), (2330, 8655856), (2420, 8333944), (2563, 7868960), (2630, 7668496), (2720, 7414759), (2893, 6971360), (2992, 6740690), (3728, 5409910), (3740, 5392552), (3872, 5208715), (3961, 5091680), (4114, 4902320), (4208, 4792810), (4471, 4510880), (4660, 4327928), (4840, 4166972), (5126, 3934480), (5260, 3834248), (5786, 3485680), (5984, 3370345), (7456, 2704955), (7480, 2696276), (7922, 2545840), (8228, 2451160), (8416, 2396405), (8942, 2255440), (9320, 2163964), (9680, 2083486), (10252, 1967240), (10285, 1960928), (10520, 1917124), (11572, 1742840), (12815, 1573792), (14465, 1394272), (14960, 1348138), (15844, 1272920), (16456, 1225580), (17884, 1127720), (18640, 1081982), (19360, 1041743), (19805, 1018336), (20504, 983620), (20570, 980464), (21040, 958562), (22355, 902176), (23144, 871420), (25630, 786896), (28193, 715360), (28930, 697136), (29920, 674069), (31688, 636460), (31823, 633760), (32912, 612790), (35768, 563860), (37280, 540991), (39610, 509168), (41008, 491810), (41140, 490232), (42080, 479281), (43571, 462880), (44710, 451088), (46288, 435710), (49181, 410080), (51260, 393448), (56386, 357680), (57860, 348568), (61279, 329120), (63376, 318230), (63646, 316880), (65824, 306395), (71536, 281930), (79220, 254584), (82016, 245905), (82280, 245116), (87142, 231440), (89420, 225544), (92576, 217855), (98362, 205040), (102520, 196724), (112772, 178840), (115720, 174284), (122558, 164560), (126752, 159115), (127292, 158440), (140965, 143072)]