161021520

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:293

約数の個数: 280

約数和(自身を含む): 614773152

約数和(自身を除く): 453751632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 99, 108, 110, 120, 132, 135, 144, 162, 165, 176, 180, 198, 216, 220, 240, 243, 251, 264, 270, 297, 324, 330, 360, 396, 405, 432, 440, 486, 495, 502, 528, 540, 594, 648, 660, 720, 729, 753, 792, 810, 880, 891, 972, 990, 1004, 1080, 1188, 1215, 1255, 1296, 1320, 1458, 1485, 1506, 1584, 1620, 1782, 1944, 1980, 2008, 2160, 2259, 2376, 2430, 2510, 2640, 2673, 2761, 2916, 2970, 3012, 3240, 3564, 3645, 3765, 3888, 3960, 4016, 4455, 4518, 4752, 4860, 5020, 5346, 5522, 5832, 5940, 6024, 6480, 6777, 7128, 7290, 7530, 7920, 8019, 8283, 8910, 9036, 9720, 10040, 10692, 11044, 11295, 11664, 11880, 12048, 13365, 13554, 13805, 14256, 14580, 15060, 16038, 16566, 17820, 18072, 19440, 20080, 20331, 21384, 22088, 22590, 23760, 24849, 26730, 27108, 27610, 29160, 30120, 32076, 33132, 33885, 35640, 36144, 40095, 40662, 41415, 42768, 44176, 45180, 49698, 53460, 54216, 55220, 58320, 60240, 60993, 64152, 66264, 67770, 71280, 74547, 80190, 81324, 82830, 90360, 99396, 101655, 106920, 108432, 110440, 121986, 124245, 128304, 132528, 135540, 149094, 160380, 162648, 165660, 180720, 182979, 198792, 203310, 213840, 220880, 223641, 243972, 248490, 271080, 298188, 304965, 320760, 325296, 331320, 365958, 372735, 397584, 406620, 447282, 487944, 496980, 542160, 596376, 609930, 641520, 662640, 670923, 731916, 745470, 813240, 894564, 914895, 975888, 993960, 1118205, 1192752, 1219860, 1341846, 1463832, 1490940, 1626480, 1789128, 1829790, 1987920, 2012769, 2236410, 2439720, 2683692, 2927664, 2981880, 3354615, 3578256, 3659580, 4025538, 4472820, 4879440, 5367384, 5963760, 6709230, 7319160, 8051076, 8945640, 10063845, 10734768, 13418460, 14638320, 16102152, 17891280, 20127690, 26836920, 32204304, 40255380, 53673840, 80510760, 161021520]

約数ペア:

[(1, 161021520), (2, 80510760), (3, 53673840), (4, 40255380), (5, 32204304), (6, 26836920), (8, 20127690), (9, 17891280), (10, 16102152), (11, 14638320), (12, 13418460), (15, 10734768), (16, 10063845), (18, 8945640), (20, 8051076), (22, 7319160), (24, 6709230), (27, 5963760), (30, 5367384), (33, 4879440), (36, 4472820), (40, 4025538), (44, 3659580), (45, 3578256), (48, 3354615), (54, 2981880), (55, 2927664), (60, 2683692), (66, 2439720), (72, 2236410), (80, 2012769), (81, 1987920), (88, 1829790), (90, 1789128), (99, 1626480), (108, 1490940), (110, 1463832), (120, 1341846), (132, 1219860), (135, 1192752), (144, 1118205), (162, 993960), (165, 975888), (176, 914895), (180, 894564), (198, 813240), (216, 745470), (220, 731916), (240, 670923), (243, 662640), (251, 641520), (264, 609930), (270, 596376), (297, 542160), (324, 496980), (330, 487944), (360, 447282), (396, 406620), (405, 397584), (432, 372735), (440, 365958), (486, 331320), (495, 325296), (502, 320760), (528, 304965), (540, 298188), (594, 271080), (648, 248490), (660, 243972), (720, 223641), (729, 220880), (753, 213840), (792, 203310), (810, 198792), (880, 182979), (891, 180720), (972, 165660), (990, 162648), (1004, 160380), (1080, 149094), (1188, 135540), (1215, 132528), (1255, 128304), (1296, 124245), (1320, 121986), (1458, 110440), (1485, 108432), (1506, 106920), (1584, 101655), (1620, 99396), (1782, 90360), (1944, 82830), (1980, 81324), (2008, 80190), (2160, 74547), (2259, 71280), (2376, 67770), (2430, 66264), (2510, 64152), (2640, 60993), (2673, 60240), (2761, 58320), (2916, 55220), (2970, 54216), (3012, 53460), (3240, 49698), (3564, 45180), (3645, 44176), (3765, 42768), (3888, 41415), (3960, 40662), (4016, 40095), (4455, 36144), (4518, 35640), (4752, 33885), (4860, 33132), (5020, 32076), (5346, 30120), (5522, 29160), (5832, 27610), (5940, 27108), (6024, 26730), (6480, 24849), (6777, 23760), (7128, 22590), (7290, 22088), (7530, 21384), (7920, 20331), (8019, 20080), (8283, 19440), (8910, 18072), (9036, 17820), (9720, 16566), (10040, 16038), (10692, 15060), (11044, 14580), (11295, 14256), (11664, 13805), (11880, 13554), (12048, 13365)]