20663780400

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{637771}}^1$

素因数の和:637801

約数の個数: 150

約数和(自身を含む): 74160765932

約数和(自身を除く): 53496985532

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 270, 300, 324, 360, 400, 405, 432, 450, 540, 600, 648, 675, 720, 810, 900, 1080, 1200, 1296, 1350, 1620, 1800, 2025, 2160, 2700, 3240, 3600, 4050, 5400, 6480, 8100, 10800, 16200, 32400, 637771, 1275542, 1913313, 2551084, 3188855, 3826626, 5102168, 5739939, 6377710, 7653252, 9566565, 10204336, 11479878, 12755420, 15306504, 15944275, 17219817, 19133130, 22959756, 25510840, 28699695, 30613008, 31888550, 34439634, 38266260, 45919512, 47832825, 51021680, 51659451, 57399390, 63777100, 68879268, 76532520, 86099085, 91839024, 95665650, 103318902, 114798780, 127554200, 137758536, 143498475, 153065040, 172198170, 191331300, 206637804, 229597560, 255108400, 258297255, 275517072, 286996950, 344396340, 382662600, 413275608, 430495425, 459195120, 516594510, 573993900, 688792680, 765325200, 826551216, 860990850, 1033189020, 1147987800, 1291486275, 1377585360, 1721981700, 2066378040, 2295975600, 2582972550, 3443963400, 4132756080, 5165945100, 6887926800, 10331890200, 20663780400]

約数ペア:

[(1, 20663780400), (2, 10331890200), (3, 6887926800), (4, 5165945100), (5, 4132756080), (6, 3443963400), (8, 2582972550), (9, 2295975600), (10, 2066378040), (12, 1721981700), (15, 1377585360), (16, 1291486275), (18, 1147987800), (20, 1033189020), (24, 860990850), (25, 826551216), (27, 765325200), (30, 688792680), (36, 573993900), (40, 516594510), (45, 459195120), (48, 430495425), (50, 413275608), (54, 382662600), (60, 344396340), (72, 286996950), (75, 275517072), (80, 258297255), (81, 255108400), (90, 229597560), (100, 206637804), (108, 191331300), (120, 172198170), (135, 153065040), (144, 143498475), (150, 137758536), (162, 127554200), (180, 114798780), (200, 103318902), (216, 95665650), (225, 91839024), (240, 86099085), (270, 76532520), (300, 68879268), (324, 63777100), (360, 57399390), (400, 51659451), (405, 51021680), (432, 47832825), (450, 45919512), (540, 38266260), (600, 34439634), (648, 31888550), (675, 30613008), (720, 28699695), (810, 25510840), (900, 22959756), (1080, 19133130), (1200, 17219817), (1296, 15944275), (1350, 15306504), (1620, 12755420), (1800, 11479878), (2025, 10204336), (2160, 9566565), (2700, 7653252), (3240, 6377710), (3600, 5739939), (4050, 5102168), (5400, 3826626), (6480, 3188855), (8100, 2551084), (10800, 1913313), (16200, 1275542), (32400, 637771)]