20168174880

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{666937}}^1$

素因数の和:666968

約数の個数: 192

約数和(自身を含む): 80672820480

約数和(自身を除く): 60504645600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 666937, 1333874, 2000811, 2667748, 3334685, 4001622, 4668559, 5335496, 6002433, 6669370, 8003244, 9337118, 10004055, 10670992, 12004866, 13338740, 14005677, 16006488, 18007299, 18674236, 20008110, 21341984, 23342795, 24009732, 26677480, 28011354, 30012165, 32012976, 36014598, 37348472, 40016220, 42017031, 46685590, 48019464, 53354960, 56022708, 60024330, 64025952, 70028385, 72029196, 74696944, 80032440, 84034062, 90036495, 93371180, 96038928, 106709920, 112045416, 120048660, 126051093, 140056770, 144058392, 149393888, 160064880, 168068124, 180072990, 186742360, 192077856, 210085155, 224090832, 240097320, 252102186, 280113540, 288116784, 320129760, 336136248, 360145980, 373484720, 420170310, 448181664, 480194640, 504204372, 560227080, 576233568, 630255465, 672272496, 720291960, 746969440, 840340620, 960389280, 1008408744, 1120454160, 1260510930, 1344544992, 1440583920, 1680681240, 2016817488, 2240908320, 2521021860, 2881167840, 3361362480, 4033634976, 5042043720, 6722724960, 10084087440, 20168174880]

約数ペア:

[(1, 20168174880), (2, 10084087440), (3, 6722724960), (4, 5042043720), (5, 4033634976), (6, 3361362480), (7, 2881167840), (8, 2521021860), (9, 2240908320), (10, 2016817488), (12, 1680681240), (14, 1440583920), (15, 1344544992), (16, 1260510930), (18, 1120454160), (20, 1008408744), (21, 960389280), (24, 840340620), (27, 746969440), (28, 720291960), (30, 672272496), (32, 630255465), (35, 576233568), (36, 560227080), (40, 504204372), (42, 480194640), (45, 448181664), (48, 420170310), (54, 373484720), (56, 360145980), (60, 336136248), (63, 320129760), (70, 288116784), (72, 280113540), (80, 252102186), (84, 240097320), (90, 224090832), (96, 210085155), (105, 192077856), (108, 186742360), (112, 180072990), (120, 168068124), (126, 160064880), (135, 149393888), (140, 144058392), (144, 140056770), (160, 126051093), (168, 120048660), (180, 112045416), (189, 106709920), (210, 96038928), (216, 93371180), (224, 90036495), (240, 84034062), (252, 80032440), (270, 74696944), (280, 72029196), (288, 70028385), (315, 64025952), (336, 60024330), (360, 56022708), (378, 53354960), (420, 48019464), (432, 46685590), (480, 42017031), (504, 40016220), (540, 37348472), (560, 36014598), (630, 32012976), (672, 30012165), (720, 28011354), (756, 26677480), (840, 24009732), (864, 23342795), (945, 21341984), (1008, 20008110), (1080, 18674236), (1120, 18007299), (1260, 16006488), (1440, 14005677), (1512, 13338740), (1680, 12004866), (1890, 10670992), (2016, 10004055), (2160, 9337118), (2520, 8003244), (3024, 6669370), (3360, 6002433), (3780, 5335496), (4320, 4668559), (5040, 4001622), (6048, 3334685), (7560, 2667748), (10080, 2000811), (15120, 1333874), (30240, 666937)]