20165878560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1\times {\mathrm{1109}}^1$

素因数の和:2051

約数の個数: 192

約数和(自身を含む): 65132242560

約数和(自身を除く): 44966364000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 881, 1032, 1109, 1290, 1376, 1720, 1762, 2064, 2218, 2580, 2643, 3327, 3440, 3524, 4128, 4405, 4436, 5160, 5286, 5545, 6654, 6880, 7048, 8810, 8872, 10320, 10572, 11090, 13215, 13308, 14096, 16635, 17620, 17744, 20640, 21144, 22180, 26430, 26616, 28192, 33270, 35240, 35488, 37883, 42288, 44360, 47687, 52860, 53232, 66540, 70480, 75766, 84576, 88720, 95374, 105720, 106464, 113649, 133080, 140960, 143061, 151532, 177440, 189415, 190748, 211440, 227298, 238435, 266160, 286122, 303064, 378830, 381496, 422880, 454596, 476870, 532320, 568245, 572244, 606128, 715305, 757660, 762992, 909192, 953740, 977029, 1136490, 1144488, 1212256, 1430610, 1515320, 1525984, 1818384, 1907480, 1954058, 2272980, 2288976, 2861220, 2931087, 3030640, 3636768, 3814960, 3908116, 4545960, 4577952, 4885145, 5722440, 5862174, 6061280, 7629920, 7816232, 9091920, 9770290, 11444880, 11724348, 14655435, 15632464, 18183840, 19540580, 22889760, 23448696, 29310870, 31264928, 39081160, 42012247, 46897392, 58621740, 78162320, 84024494, 93794784, 117243480, 126036741, 156324640, 168048988, 210061235, 234486960, 252073482, 336097976, 420122470, 468973920, 504146964, 630183705, 672195952, 840244940, 1008293928, 1260367410, 1344391904, 1680489880, 2016587856, 2520734820, 3360979760, 4033175712, 5041469640, 6721959520, 10082939280, 20165878560]

約数ペア:

[(1, 20165878560), (2, 10082939280), (3, 6721959520), (4, 5041469640), (5, 4033175712), (6, 3360979760), (8, 2520734820), (10, 2016587856), (12, 1680489880), (15, 1344391904), (16, 1260367410), (20, 1008293928), (24, 840244940), (30, 672195952), (32, 630183705), (40, 504146964), (43, 468973920), (48, 420122470), (60, 336097976), (80, 252073482), (86, 234486960), (96, 210061235), (120, 168048988), (129, 156324640), (160, 126036741), (172, 117243480), (215, 93794784), (240, 84024494), (258, 78162320), (344, 58621740), (430, 46897392), (480, 42012247), (516, 39081160), (645, 31264928), (688, 29310870), (860, 23448696), (881, 22889760), (1032, 19540580), (1109, 18183840), (1290, 15632464), (1376, 14655435), (1720, 11724348), (1762, 11444880), (2064, 9770290), (2218, 9091920), (2580, 7816232), (2643, 7629920), (3327, 6061280), (3440, 5862174), (3524, 5722440), (4128, 4885145), (4405, 4577952), (4436, 4545960), (5160, 3908116), (5286, 3814960), (5545, 3636768), (6654, 3030640), (6880, 2931087), (7048, 2861220), (8810, 2288976), (8872, 2272980), (10320, 1954058), (10572, 1907480), (11090, 1818384), (13215, 1525984), (13308, 1515320), (14096, 1430610), (16635, 1212256), (17620, 1144488), (17744, 1136490), (20640, 977029), (21144, 953740), (22180, 909192), (26430, 762992), (26616, 757660), (28192, 715305), (33270, 606128), (35240, 572244), (35488, 568245), (37883, 532320), (42288, 476870), (44360, 454596), (47687, 422880), (52860, 381496), (53232, 378830), (66540, 303064), (70480, 286122), (75766, 266160), (84576, 238435), (88720, 227298), (95374, 211440), (105720, 190748), (106464, 189415), (113649, 177440), (133080, 151532), (140960, 143061)]