20192507440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{15739}}^1$

素因数の和:15867

約数の個数: 160

約数和(自身を含む): 56210688000

約数和(自身を除く): 36018180560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 79, 80, 112, 116, 140, 145, 158, 203, 232, 280, 290, 316, 395, 406, 464, 553, 560, 580, 632, 790, 812, 1015, 1106, 1160, 1264, 1580, 1624, 2030, 2212, 2291, 2320, 2765, 3160, 3248, 4060, 4424, 4582, 5530, 6320, 8120, 8848, 9164, 11060, 11455, 15739, 16037, 16240, 18328, 22120, 22910, 31478, 32074, 36656, 44240, 45820, 62956, 64148, 78695, 80185, 91640, 110173, 125912, 128296, 157390, 160370, 183280, 220346, 251824, 256592, 314780, 320740, 440692, 456431, 550865, 629560, 641480, 881384, 912862, 1101730, 1243381, 1259120, 1282960, 1762768, 1825724, 2203460, 2282155, 2486762, 3195017, 3651448, 4406920, 4564310, 4973524, 6216905, 6390034, 7302896, 8703667, 8813840, 9128620, 9947048, 12433810, 12780068, 15975085, 17407334, 18257240, 19894096, 24867620, 25560136, 31950170, 34814668, 36058049, 36514480, 43518335, 49735240, 51120272, 63900340, 69629336, 72116098, 87036670, 99470480, 127800680, 139258672, 144232196, 174073340, 180290245, 252406343, 255601360, 288464392, 348146680, 360580490, 504812686, 576928784, 696293360, 721160980, 1009625372, 1262031715, 1442321960, 2019250744, 2524063430, 2884643920, 4038501488, 5048126860, 10096253720, 20192507440]

約数ペア:

[(1, 20192507440), (2, 10096253720), (4, 5048126860), (5, 4038501488), (7, 2884643920), (8, 2524063430), (10, 2019250744), (14, 1442321960), (16, 1262031715), (20, 1009625372), (28, 721160980), (29, 696293360), (35, 576928784), (40, 504812686), (56, 360580490), (58, 348146680), (70, 288464392), (79, 255601360), (80, 252406343), (112, 180290245), (116, 174073340), (140, 144232196), (145, 139258672), (158, 127800680), (203, 99470480), (232, 87036670), (280, 72116098), (290, 69629336), (316, 63900340), (395, 51120272), (406, 49735240), (464, 43518335), (553, 36514480), (560, 36058049), (580, 34814668), (632, 31950170), (790, 25560136), (812, 24867620), (1015, 19894096), (1106, 18257240), (1160, 17407334), (1264, 15975085), (1580, 12780068), (1624, 12433810), (2030, 9947048), (2212, 9128620), (2291, 8813840), (2320, 8703667), (2765, 7302896), (3160, 6390034), (3248, 6216905), (4060, 4973524), (4424, 4564310), (4582, 4406920), (5530, 3651448), (6320, 3195017), (8120, 2486762), (8848, 2282155), (9164, 2203460), (11060, 1825724), (11455, 1762768), (15739, 1282960), (16037, 1259120), (16240, 1243381), (18328, 1101730), (22120, 912862), (22910, 881384), (31478, 641480), (32074, 629560), (36656, 550865), (44240, 456431), (45820, 440692), (62956, 320740), (64148, 314780), (78695, 256592), (80185, 251824), (91640, 220346), (110173, 183280), (125912, 160370), (128296, 157390)]