216649440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21493}}^1$

素因数の和:21521

約数の個数: 144

約数和(自身を含む): 844972128

約数和(自身を除く): 628322688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21493, 42986, 64479, 85972, 107465, 128958, 150451, 171944, 193437, 214930, 257916, 300902, 322395, 343888, 386874, 429860, 451353, 515832, 601804, 644790, 687776, 752255, 773748, 859720, 902706, 967185, 1031664, 1203608, 1289580, 1354059, 1504510, 1547496, 1719440, 1805412, 1934370, 2063328, 2256765, 2407216, 2579160, 2708118, 3009020, 3094992, 3438880, 3610824, 3868740, 4513530, 4814432, 5158320, 5416236, 6018040, 6189984, 6770295, 7221648, 7737480, 9027060, 10316640, 10832472, 12036080, 13540590, 14443296, 15474960, 18054120, 21664944, 24072160, 27081180, 30949920, 36108240, 43329888, 54162360, 72216480, 108324720, 216649440]

約数ペア:

[(1, 216649440), (2, 108324720), (3, 72216480), (4, 54162360), (5, 43329888), (6, 36108240), (7, 30949920), (8, 27081180), (9, 24072160), (10, 21664944), (12, 18054120), (14, 15474960), (15, 14443296), (16, 13540590), (18, 12036080), (20, 10832472), (21, 10316640), (24, 9027060), (28, 7737480), (30, 7221648), (32, 6770295), (35, 6189984), (36, 6018040), (40, 5416236), (42, 5158320), (45, 4814432), (48, 4513530), (56, 3868740), (60, 3610824), (63, 3438880), (70, 3094992), (72, 3009020), (80, 2708118), (84, 2579160), (90, 2407216), (96, 2256765), (105, 2063328), (112, 1934370), (120, 1805412), (126, 1719440), (140, 1547496), (144, 1504510), (160, 1354059), (168, 1289580), (180, 1203608), (210, 1031664), (224, 967185), (240, 902706), (252, 859720), (280, 773748), (288, 752255), (315, 687776), (336, 644790), (360, 601804), (420, 515832), (480, 451353), (504, 429860), (560, 386874), (630, 343888), (672, 322395), (720, 300902), (840, 257916), (1008, 214930), (1120, 193437), (1260, 171944), (1440, 150451), (1680, 128958), (2016, 107465), (2520, 85972), (3360, 64479), (5040, 42986), (10080, 21493)]