20779947360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84389}}^1$

素因数の和:84435

約数の個数: 240

約数和(自身を含む): 77196596400

約数和(自身を除く): 56416649040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1824, 2052, 2160, 2280, 2565, 2592, 2736, 3040, 3078, 3240, 3420, 4104, 4320, 4560, 5130, 5472, 6156, 6480, 6840, 7695, 8208, 9120, 10260, 12312, 12960, 13680, 15390, 16416, 20520, 24624, 27360, 30780, 41040, 49248, 61560, 82080, 84389, 123120, 168778, 246240, 253167, 337556, 421945, 506334, 675112, 759501, 843890, 1012668, 1265835, 1350224, 1519002, 1603391, 1687780, 2025336, 2278503, 2531670, 2700448, 3038004, 3206782, 3375560, 3797505, 4050672, 4557006, 4810173, 5063340, 6076008, 6413564, 6751120, 6835509, 7595010, 8016955, 8101344, 9114012, 9620346, 10126680, 11392515, 12152016, 12827128, 13502240, 13671018, 14430519, 15190020, 16033910, 18228024, 19240692, 20253360, 22785030, 24050865, 24304032, 25654256, 27342036, 28861038, 30380040, 32067820, 34177545, 36456048, 38481384, 40506720, 43291557, 45570060, 48101730, 51308512, 54684072, 57722076, 60760080, 64135640, 68355090, 72152595, 72912096, 76962768, 86583114, 91140120, 96203460, 109368144, 115444152, 121520160, 128271280, 129874671, 136710180, 144305190, 153925536, 173166228, 182280240, 192406920, 216457785, 218736288, 230888304, 256542560, 259749342, 273420360, 288610380, 346332456, 364560480, 384813840, 432915570, 461776608, 519498684, 546840720, 577220760, 649373355, 692664912, 769627680, 865831140, 1038997368, 1093681440, 1154441520, 1298746710, 1385329824, 1731662280, 2077994736, 2308883040, 2597493420, 3463324560, 4155989472, 5194986840, 6926649120, 10389973680, 20779947360]

約数ペア:

[(1, 20779947360), (2, 10389973680), (3, 6926649120), (4, 5194986840), (5, 4155989472), (6, 3463324560), (8, 2597493420), (9, 2308883040), (10, 2077994736), (12, 1731662280), (15, 1385329824), (16, 1298746710), (18, 1154441520), (19, 1093681440), (20, 1038997368), (24, 865831140), (27, 769627680), (30, 692664912), (32, 649373355), (36, 577220760), (38, 546840720), (40, 519498684), (45, 461776608), (48, 432915570), (54, 384813840), (57, 364560480), (60, 346332456), (72, 288610380), (76, 273420360), (80, 259749342), (81, 256542560), (90, 230888304), (95, 218736288), (96, 216457785), (108, 192406920), (114, 182280240), (120, 173166228), (135, 153925536), (144, 144305190), (152, 136710180), (160, 129874671), (162, 128271280), (171, 121520160), (180, 115444152), (190, 109368144), (216, 96203460), (228, 91140120), (240, 86583114), (270, 76962768), (285, 72912096), (288, 72152595), (304, 68355090), (324, 64135640), (342, 60760080), (360, 57722076), (380, 54684072), (405, 51308512), (432, 48101730), (456, 45570060), (480, 43291557), (513, 40506720), (540, 38481384), (570, 36456048), (608, 34177545), (648, 32067820), (684, 30380040), (720, 28861038), (760, 27342036), (810, 25654256), (855, 24304032), (864, 24050865), (912, 22785030), (1026, 20253360), (1080, 19240692), (1140, 18228024), (1296, 16033910), (1368, 15190020), (1440, 14430519), (1520, 13671018), (1539, 13502240), (1620, 12827128), (1710, 12152016), (1824, 11392515), (2052, 10126680), (2160, 9620346), (2280, 9114012), (2565, 8101344), (2592, 8016955), (2736, 7595010), (3040, 6835509), (3078, 6751120), (3240, 6413564), (3420, 6076008), (4104, 5063340), (4320, 4810173), (4560, 4557006), (5130, 4050672), (5472, 3797505), (6156, 3375560), (6480, 3206782), (6840, 3038004), (7695, 2700448), (8208, 2531670), (9120, 2278503), (10260, 2025336), (12312, 1687780), (12960, 1603391), (13680, 1519002), (15390, 1350224), (16416, 1265835), (20520, 1012668), (24624, 843890), (27360, 759501), (30780, 675112), (41040, 506334), (49248, 421945), (61560, 337556), (82080, 253167), (84389, 246240), (123120, 168778)]