131490720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:867

約数の個数: 144

約数和(自身を含む): 452874240

約数和(自身を除く): 321383520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 127, 144, 160, 180, 240, 254, 288, 360, 381, 480, 508, 635, 719, 720, 762, 1016, 1143, 1270, 1438, 1440, 1524, 1905, 2032, 2157, 2286, 2540, 2876, 3048, 3595, 3810, 4064, 4314, 4572, 5080, 5715, 5752, 6096, 6471, 7190, 7620, 8628, 9144, 10160, 10785, 11430, 11504, 12192, 12942, 14380, 15240, 17256, 18288, 20320, 21570, 22860, 23008, 25884, 28760, 30480, 32355, 34512, 36576, 43140, 45720, 51768, 57520, 60960, 64710, 69024, 86280, 91313, 91440, 103536, 115040, 129420, 172560, 182626, 182880, 207072, 258840, 273939, 345120, 365252, 456565, 517680, 547878, 730504, 821817, 913130, 1035360, 1095756, 1369695, 1461008, 1643634, 1826260, 2191512, 2739390, 2922016, 3287268, 3652520, 4109085, 4383024, 5478780, 6574536, 7305040, 8218170, 8766048, 10957560, 13149072, 14610080, 16436340, 21915120, 26298144, 32872680, 43830240, 65745360, 131490720]

約数ペア:

[(1, 131490720), (2, 65745360), (3, 43830240), (4, 32872680), (5, 26298144), (6, 21915120), (8, 16436340), (9, 14610080), (10, 13149072), (12, 10957560), (15, 8766048), (16, 8218170), (18, 7305040), (20, 6574536), (24, 5478780), (30, 4383024), (32, 4109085), (36, 3652520), (40, 3287268), (45, 2922016), (48, 2739390), (60, 2191512), (72, 1826260), (80, 1643634), (90, 1461008), (96, 1369695), (120, 1095756), (127, 1035360), (144, 913130), (160, 821817), (180, 730504), (240, 547878), (254, 517680), (288, 456565), (360, 365252), (381, 345120), (480, 273939), (508, 258840), (635, 207072), (719, 182880), (720, 182626), (762, 172560), (1016, 129420), (1143, 115040), (1270, 103536), (1438, 91440), (1440, 91313), (1524, 86280), (1905, 69024), (2032, 64710), (2157, 60960), (2286, 57520), (2540, 51768), (2876, 45720), (3048, 43140), (3595, 36576), (3810, 34512), (4064, 32355), (4314, 30480), (4572, 28760), (5080, 25884), (5715, 23008), (5752, 22860), (6096, 21570), (6471, 20320), (7190, 18288), (7620, 17256), (8628, 15240), (9144, 14380), (10160, 12942), (10785, 12192), (11430, 11504)]