20538318080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18049}}^1$

素因数の和:18204

約数の個数: 144

約数和(自身を含む): 56669491200

約数和(自身を除く): 36131173120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 256, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1270, 1280, 1778, 1792, 2032, 2240, 2540, 3556, 4064, 4445, 4480, 5080, 7112, 8128, 8890, 8960, 10160, 14224, 16256, 17780, 18049, 20320, 28448, 32512, 35560, 36098, 40640, 56896, 71120, 72196, 81280, 90245, 113792, 126343, 142240, 144392, 162560, 180490, 227584, 252686, 284480, 288784, 360980, 505372, 568960, 577568, 631715, 721960, 1010744, 1137920, 1155136, 1263430, 1443920, 2021488, 2292223, 2310272, 2526860, 2887840, 4042976, 4584446, 4620544, 5053720, 5775680, 8085952, 9168892, 10107440, 11461115, 11551360, 16045561, 16171904, 18337784, 20214880, 22922230, 23102720, 32091122, 32343808, 36675568, 40429760, 45844460, 64182244, 73351136, 80227805, 80859520, 91688920, 128364488, 146702272, 160455610, 161719040, 183377840, 256728976, 293404544, 320911220, 366755680, 513457952, 586809088, 641822440, 733511360, 1026915904, 1283644880, 1467022720, 2053831808, 2567289760, 2934045440, 4107663616, 5134579520, 10269159040, 20538318080]

約数ペア:

[(1, 20538318080), (2, 10269159040), (4, 5134579520), (5, 4107663616), (7, 2934045440), (8, 2567289760), (10, 2053831808), (14, 1467022720), (16, 1283644880), (20, 1026915904), (28, 733511360), (32, 641822440), (35, 586809088), (40, 513457952), (56, 366755680), (64, 320911220), (70, 293404544), (80, 256728976), (112, 183377840), (127, 161719040), (128, 160455610), (140, 146702272), (160, 128364488), (224, 91688920), (254, 80859520), (256, 80227805), (280, 73351136), (320, 64182244), (448, 45844460), (508, 40429760), (560, 36675568), (635, 32343808), (640, 32091122), (889, 23102720), (896, 22922230), (1016, 20214880), (1120, 18337784), (1270, 16171904), (1280, 16045561), (1778, 11551360), (1792, 11461115), (2032, 10107440), (2240, 9168892), (2540, 8085952), (3556, 5775680), (4064, 5053720), (4445, 4620544), (4480, 4584446), (5080, 4042976), (7112, 2887840), (8128, 2526860), (8890, 2310272), (8960, 2292223), (10160, 2021488), (14224, 1443920), (16256, 1263430), (17780, 1155136), (18049, 1137920), (20320, 1010744), (28448, 721960), (32512, 631715), (35560, 577568), (36098, 568960), (40640, 505372), (56896, 360980), (71120, 288784), (72196, 284480), (81280, 252686), (90245, 227584), (113792, 180490), (126343, 162560), (142240, 144392)]