20178091440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239531}}^1$

素因数の和:239569

約数の個数: 200

約数和(自身を含む): 75472700688

約数和(自身を除く): 55294609248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 2106, 2160, 2340, 2808, 3120, 3240, 3510, 4212, 4680, 5265, 5616, 6480, 7020, 8424, 9360, 10530, 14040, 16848, 21060, 28080, 42120, 84240, 239531, 479062, 718593, 958124, 1197655, 1437186, 1916248, 2155779, 2395310, 2874372, 3113903, 3592965, 3832496, 4311558, 4790620, 5748744, 6227806, 6467337, 7185930, 8623116, 9341709, 9581240, 10778895, 11497488, 12455612, 12934674, 14371860, 15569515, 17246232, 18683418, 19162480, 19402011, 21557790, 24911224, 25869348, 28025127, 28743720, 31139030, 32336685, 34492464, 37366836, 38804022, 43115580, 46708545, 49822448, 51738696, 56050254, 57487440, 62278060, 64673370, 74733672, 77608044, 84075381, 86231160, 93417090, 97010055, 103477392, 112100508, 124556120, 129346740, 140125635, 149467344, 155216088, 168150762, 172462320, 186834180, 194020110, 224201016, 249112240, 252226143, 258693480, 280251270, 310432176, 336301524, 373668360, 388040220, 420376905, 448402032, 504452286, 517386960, 560502540, 672603048, 747336720, 776080440, 840753810, 1008904572, 1121005080, 1261130715, 1345206096, 1552160880, 1681507620, 2017809144, 2242010160, 2522261430, 3363015240, 4035618288, 5044522860, 6726030480, 10089045720, 20178091440]

約数ペア:

[(1, 20178091440), (2, 10089045720), (3, 6726030480), (4, 5044522860), (5, 4035618288), (6, 3363015240), (8, 2522261430), (9, 2242010160), (10, 2017809144), (12, 1681507620), (13, 1552160880), (15, 1345206096), (16, 1261130715), (18, 1121005080), (20, 1008904572), (24, 840753810), (26, 776080440), (27, 747336720), (30, 672603048), (36, 560502540), (39, 517386960), (40, 504452286), (45, 448402032), (48, 420376905), (52, 388040220), (54, 373668360), (60, 336301524), (65, 310432176), (72, 280251270), (78, 258693480), (80, 252226143), (81, 249112240), (90, 224201016), (104, 194020110), (108, 186834180), (117, 172462320), (120, 168150762), (130, 155216088), (135, 149467344), (144, 140125635), (156, 129346740), (162, 124556120), (180, 112100508), (195, 103477392), (208, 97010055), (216, 93417090), (234, 86231160), (240, 84075381), (260, 77608044), (270, 74733672), (312, 64673370), (324, 62278060), (351, 57487440), (360, 56050254), (390, 51738696), (405, 49822448), (432, 46708545), (468, 43115580), (520, 38804022), (540, 37366836), (585, 34492464), (624, 32336685), (648, 31139030), (702, 28743720), (720, 28025127), (780, 25869348), (810, 24911224), (936, 21557790), (1040, 19402011), (1053, 19162480), (1080, 18683418), (1170, 17246232), (1296, 15569515), (1404, 14371860), (1560, 12934674), (1620, 12455612), (1755, 11497488), (1872, 10778895), (2106, 9581240), (2160, 9341709), (2340, 8623116), (2808, 7185930), (3120, 6467337), (3240, 6227806), (3510, 5748744), (4212, 4790620), (4680, 4311558), (5265, 3832496), (5616, 3592965), (6480, 3113903), (7020, 2874372), (8424, 2395310), (9360, 2155779), (10530, 1916248), (14040, 1437186), (16848, 1197655), (21060, 958124), (28080, 718593), (42120, 479062), (84240, 239531)]