220721760

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{811}}^1$

素因数の和:848

約数の個数: 288

約数和(自身を含む): 893797632

約数和(自身を除く): 673075872

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, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 811, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1622, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2430, 2433, 2520, 2592, 2835, 3024, 3240, 3244, 3360, 3402, 3780, 3888, 4055, 4320, 4536, 4860, 4866, 5040, 5670, 5677, 6048, 6480, 6488, 6804, 7299, 7560, 7776, 8110, 8505, 9072, 9720, 9732, 10080, 11340, 11354, 12165, 12960, 12976, 13608, 14598, 15120, 16220, 17010, 17031, 18144, 19440, 19464, 21897, 22680, 22708, 24330, 25952, 27216, 28385, 29196, 30240, 32440, 34020, 34062, 36495, 38880, 38928, 43794, 45360, 45416, 48660, 51093, 54432, 56770, 58392, 64880, 65691, 68040, 68124, 72990, 77856, 85155, 87588, 90720, 90832, 97320, 102186, 109485, 113540, 116784, 129760, 131382, 136080, 136248, 145980, 153279, 170310, 175176, 181664, 194640, 197073, 204372, 218970, 227080, 233568, 255465, 262764, 272160, 272496, 291960, 306558, 328455, 340620, 350352, 389280, 394146, 408744, 437940, 454160, 459837, 510930, 525528, 544992, 583920, 613116, 656910, 681240, 700704, 766395, 788292, 817488, 875880, 908320, 919674, 985365, 1021860, 1051056, 1167840, 1226232, 1313820, 1362480, 1379511, 1532790, 1576584, 1634976, 1751760, 1839348, 1970730, 2043720, 2102112, 2299185, 2452464, 2627640, 2724960, 2759022, 3065580, 3153168, 3503520, 3678696, 3941460, 4087440, 4598370, 4904928, 5255280, 5518044, 6131160, 6306336, 6897555, 7357392, 7882920, 8174880, 9196740, 10510560, 11036088, 12262320, 13795110, 14714784, 15765840, 18393480, 22072176, 24524640, 27590220, 31531680, 36786960, 44144352, 55180440, 73573920, 110360880, 220721760]

約数ペア:

[(1, 220721760), (2, 110360880), (3, 73573920), (4, 55180440), (5, 44144352), (6, 36786960), (7, 31531680), (8, 27590220), (9, 24524640), (10, 22072176), (12, 18393480), (14, 15765840), (15, 14714784), (16, 13795110), (18, 12262320), (20, 11036088), (21, 10510560), (24, 9196740), (27, 8174880), (28, 7882920), (30, 7357392), (32, 6897555), (35, 6306336), (36, 6131160), (40, 5518044), (42, 5255280), (45, 4904928), (48, 4598370), (54, 4087440), (56, 3941460), (60, 3678696), (63, 3503520), (70, 3153168), (72, 3065580), (80, 2759022), (81, 2724960), (84, 2627640), (90, 2452464), (96, 2299185), (105, 2102112), (108, 2043720), (112, 1970730), (120, 1839348), (126, 1751760), (135, 1634976), (140, 1576584), (144, 1532790), (160, 1379511), (162, 1362480), (168, 1313820), (180, 1226232), (189, 1167840), (210, 1051056), (216, 1021860), (224, 985365), (240, 919674), (243, 908320), (252, 875880), (270, 817488), (280, 788292), (288, 766395), (315, 700704), (324, 681240), (336, 656910), (360, 613116), (378, 583920), (405, 544992), (420, 525528), (432, 510930), (480, 459837), (486, 454160), (504, 437940), (540, 408744), (560, 394146), (567, 389280), (630, 350352), (648, 340620), (672, 328455), (720, 306558), (756, 291960), (810, 272496), (811, 272160), (840, 262764), (864, 255465), (945, 233568), (972, 227080), (1008, 218970), (1080, 204372), (1120, 197073), (1134, 194640), (1215, 181664), (1260, 175176), (1296, 170310), (1440, 153279), (1512, 145980), (1620, 136248), (1622, 136080), (1680, 131382), (1701, 129760), (1890, 116784), (1944, 113540), (2016, 109485), (2160, 102186), (2268, 97320), (2430, 90832), (2433, 90720), (2520, 87588), (2592, 85155), (2835, 77856), (3024, 72990), (3240, 68124), (3244, 68040), (3360, 65691), (3402, 64880), (3780, 58392), (3888, 56770), (4055, 54432), (4320, 51093), (4536, 48660), (4860, 45416), (4866, 45360), (5040, 43794), (5670, 38928), (5677, 38880), (6048, 36495), (6480, 34062), (6488, 34020), (6804, 32440), (7299, 30240), (7560, 29196), (7776, 28385), (8110, 27216), (8505, 25952), (9072, 24330), (9720, 22708), (9732, 22680), (10080, 21897), (11340, 19464), (11354, 19440), (12165, 18144), (12960, 17031), (12976, 17010), (13608, 16220), (14598, 15120)]