81161551920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{769}}^1\times {\mathrm{2801}}^1$

素因数の和:3743

約数の個数: 160

約数和(自身を含む): 253623142080

約数和(自身を除く): 172461590160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 769, 785, 942, 1256, 1538, 1570, 1884, 2307, 2355, 2512, 2801, 3076, 3140, 3768, 3845, 4614, 4710, 5602, 6152, 6280, 7536, 7690, 8403, 9228, 9420, 11204, 11535, 12304, 12560, 14005, 15380, 16806, 18456, 18840, 22408, 23070, 28010, 30760, 33612, 36912, 37680, 42015, 44816, 46140, 56020, 61520, 67224, 84030, 92280, 112040, 120733, 134448, 168060, 184560, 224080, 241466, 336120, 362199, 439757, 482932, 603665, 672240, 724398, 879514, 965864, 1207330, 1319271, 1448796, 1759028, 1810995, 1931728, 2153969, 2198785, 2414660, 2638542, 2897592, 3518056, 3621990, 4307938, 4397570, 4829320, 5277084, 5795184, 6461907, 6596355, 7036112, 7243980, 8615876, 8795140, 9658640, 10554168, 10769845, 12923814, 13192710, 14487960, 17231752, 17590280, 21108336, 21539690, 25847628, 26385420, 28975920, 32309535, 34463504, 35180560, 43079380, 51695256, 52770840, 64619070, 86158760, 103390512, 105541680, 129238140, 172317520, 258476280, 338173133, 516952560, 676346266, 1014519399, 1352692532, 1690865665, 2029038798, 2705385064, 3381731330, 4058077596, 5072596995, 5410770128, 6763462660, 8116155192, 10145193990, 13526925320, 16232310384, 20290387980, 27053850640, 40580775960, 81161551920]

約数ペア:

[(1, 81161551920), (2, 40580775960), (3, 27053850640), (4, 20290387980), (5, 16232310384), (6, 13526925320), (8, 10145193990), (10, 8116155192), (12, 6763462660), (15, 5410770128), (16, 5072596995), (20, 4058077596), (24, 3381731330), (30, 2705385064), (40, 2029038798), (48, 1690865665), (60, 1352692532), (80, 1014519399), (120, 676346266), (157, 516952560), (240, 338173133), (314, 258476280), (471, 172317520), (628, 129238140), (769, 105541680), (785, 103390512), (942, 86158760), (1256, 64619070), (1538, 52770840), (1570, 51695256), (1884, 43079380), (2307, 35180560), (2355, 34463504), (2512, 32309535), (2801, 28975920), (3076, 26385420), (3140, 25847628), (3768, 21539690), (3845, 21108336), (4614, 17590280), (4710, 17231752), (5602, 14487960), (6152, 13192710), (6280, 12923814), (7536, 10769845), (7690, 10554168), (8403, 9658640), (9228, 8795140), (9420, 8615876), (11204, 7243980), (11535, 7036112), (12304, 6596355), (12560, 6461907), (14005, 5795184), (15380, 5277084), (16806, 4829320), (18456, 4397570), (18840, 4307938), (22408, 3621990), (23070, 3518056), (28010, 2897592), (30760, 2638542), (33612, 2414660), (36912, 2198785), (37680, 2153969), (42015, 1931728), (44816, 1810995), (46140, 1759028), (56020, 1448796), (61520, 1319271), (67224, 1207330), (84030, 965864), (92280, 879514), (112040, 724398), (120733, 672240), (134448, 603665), (168060, 482932), (184560, 439757), (224080, 362199), (241466, 336120)]