20151131520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{807337}}^1$

素因数の和:807372

約数の個数: 128

約数和(自身を含む): 69172719840

約数和(自身を除く): 49021588320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 807337, 1614674, 2422011, 3229348, 4036685, 4844022, 6458696, 8073370, 9688044, 10495381, 12110055, 12917392, 16146740, 19376088, 20990762, 24220110, 25834784, 31486143, 32293480, 38752176, 41981524, 48440220, 51669568, 52476905, 62972286, 64586960, 77504352, 83963048, 96880440, 103339136, 104953810, 125944572, 129173920, 155008704, 157430715, 167926096, 193760880, 209907620, 251889144, 258347840, 310017408, 314861430, 335852192, 387521760, 419815240, 503778288, 516695680, 629722860, 671704384, 775043520, 839630480, 1007556576, 1259445720, 1343408768, 1550087040, 1679260960, 2015113152, 2518891440, 3358521920, 4030226304, 5037782880, 6717043840, 10075565760, 20151131520]

約数ペア:

[(1, 20151131520), (2, 10075565760), (3, 6717043840), (4, 5037782880), (5, 4030226304), (6, 3358521920), (8, 2518891440), (10, 2015113152), (12, 1679260960), (13, 1550087040), (15, 1343408768), (16, 1259445720), (20, 1007556576), (24, 839630480), (26, 775043520), (30, 671704384), (32, 629722860), (39, 516695680), (40, 503778288), (48, 419815240), (52, 387521760), (60, 335852192), (64, 314861430), (65, 310017408), (78, 258347840), (80, 251889144), (96, 209907620), (104, 193760880), (120, 167926096), (128, 157430715), (130, 155008704), (156, 129173920), (160, 125944572), (192, 104953810), (195, 103339136), (208, 96880440), (240, 83963048), (260, 77504352), (312, 64586960), (320, 62972286), (384, 52476905), (390, 51669568), (416, 48440220), (480, 41981524), (520, 38752176), (624, 32293480), (640, 31486143), (780, 25834784), (832, 24220110), (960, 20990762), (1040, 19376088), (1248, 16146740), (1560, 12917392), (1664, 12110055), (1920, 10495381), (2080, 9688044), (2496, 8073370), (3120, 6458696), (4160, 4844022), (4992, 4036685), (6240, 3229348), (8320, 2422011), (12480, 1614674), (24960, 807337)]