20819863680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140827}}^1$

素因数の和:140867

約数の個数: 256

約数和(自身を含む): 82739266560

約数和(自身を除く): 61919402880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1408, 1540, 1680, 1760, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 3080, 3360, 3520, 3696, 4224, 4480, 4620, 4928, 5280, 6160, 6720, 7040, 7392, 9240, 9856, 10560, 12320, 13440, 14784, 18480, 21120, 24640, 29568, 36960, 49280, 73920, 140827, 147840, 281654, 422481, 563308, 704135, 844962, 985789, 1126616, 1408270, 1549097, 1689924, 1971578, 2112405, 2253232, 2816540, 2957367, 3098194, 3379848, 3943156, 4224810, 4506464, 4647291, 4928945, 5633080, 5914734, 6196388, 6759696, 7745485, 7886312, 8449620, 9012928, 9294582, 9857890, 10843679, 11266160, 11829468, 12392776, 13519392, 14786835, 15490970, 15772624, 16899240, 18025856, 18589164, 19715780, 21687358, 22532320, 23236455, 23658936, 24785552, 27038784, 29573670, 30981940, 31545248, 32531037, 33798480, 37178328, 39431560, 43374716, 45064640, 46472910, 47317872, 49571104, 54077568, 54218395, 59147340, 61963880, 63090496, 65062074, 67596960, 74356656, 78863120, 86749432, 90129280, 92945820, 94635744, 99142208, 108436790, 118294680, 123927760, 126180992, 130124148, 135193920, 148713312, 157726240, 162655185, 173498864, 185891640, 189271488, 198284416, 216873580, 236589360, 247855520, 260248296, 270387840, 297426624, 315452480, 325310370, 346997728, 371783280, 378542976, 433747160, 473178720, 495711040, 520496592, 594853248, 630904960, 650620740, 693995456, 743566560, 867494320, 946357440, 991422080, 1040993184, 1301241480, 1387990912, 1487133120, 1734988640, 1892714880, 2081986368, 2602482960, 2974266240, 3469977280, 4163972736, 5204965920, 6939954560, 10409931840, 20819863680]

約数ペア:

[(1, 20819863680), (2, 10409931840), (3, 6939954560), (4, 5204965920), (5, 4163972736), (6, 3469977280), (7, 2974266240), (8, 2602482960), (10, 2081986368), (11, 1892714880), (12, 1734988640), (14, 1487133120), (15, 1387990912), (16, 1301241480), (20, 1040993184), (21, 991422080), (22, 946357440), (24, 867494320), (28, 743566560), (30, 693995456), (32, 650620740), (33, 630904960), (35, 594853248), (40, 520496592), (42, 495711040), (44, 473178720), (48, 433747160), (55, 378542976), (56, 371783280), (60, 346997728), (64, 325310370), (66, 315452480), (70, 297426624), (77, 270387840), (80, 260248296), (84, 247855520), (88, 236589360), (96, 216873580), (105, 198284416), (110, 189271488), (112, 185891640), (120, 173498864), (128, 162655185), (132, 157726240), (140, 148713312), (154, 135193920), (160, 130124148), (165, 126180992), (168, 123927760), (176, 118294680), (192, 108436790), (210, 99142208), (220, 94635744), (224, 92945820), (231, 90129280), (240, 86749432), (264, 78863120), (280, 74356656), (308, 67596960), (320, 65062074), (330, 63090496), (336, 61963880), (352, 59147340), (384, 54218395), (385, 54077568), (420, 49571104), (440, 47317872), (448, 46472910), (462, 45064640), (480, 43374716), (528, 39431560), (560, 37178328), (616, 33798480), (640, 32531037), (660, 31545248), (672, 30981940), (704, 29573670), (770, 27038784), (840, 24785552), (880, 23658936), (896, 23236455), (924, 22532320), (960, 21687358), (1056, 19715780), (1120, 18589164), (1155, 18025856), (1232, 16899240), (1320, 15772624), (1344, 15490970), (1408, 14786835), (1540, 13519392), (1680, 12392776), (1760, 11829468), (1848, 11266160), (1920, 10843679), (2112, 9857890), (2240, 9294582), (2310, 9012928), (2464, 8449620), (2640, 7886312), (2688, 7745485), (3080, 6759696), (3360, 6196388), (3520, 5914734), (3696, 5633080), (4224, 4928945), (4480, 4647291), (4620, 4506464), (4928, 4224810), (5280, 3943156), (6160, 3379848), (6720, 3098194), (7040, 2957367), (7392, 2816540), (9240, 2253232), (9856, 2112405), (10560, 1971578), (12320, 1689924), (13440, 1549097), (14784, 1408270), (18480, 1126616), (21120, 985789), (24640, 844962), (29568, 704135), (36960, 563308), (49280, 422481), (73920, 281654), (140827, 147840)]