261305040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8573}}^1$

素因数の和:8716

約数の個数: 80

約数和(自身を含む): 816519168

約数和(自身を除く): 555214128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 8573, 10160, 15240, 17146, 25719, 30480, 34292, 42865, 51438, 68584, 85730, 102876, 128595, 137168, 171460, 205752, 257190, 342920, 411504, 514380, 685840, 1028760, 1088771, 2057520, 2177542, 3266313, 4355084, 5443855, 6532626, 8710168, 10887710, 13065252, 16331565, 17420336, 21775420, 26130504, 32663130, 43550840, 52261008, 65326260, 87101680, 130652520, 261305040]

約数ペア:

[(1, 261305040), (2, 130652520), (3, 87101680), (4, 65326260), (5, 52261008), (6, 43550840), (8, 32663130), (10, 26130504), (12, 21775420), (15, 17420336), (16, 16331565), (20, 13065252), (24, 10887710), (30, 8710168), (40, 6532626), (48, 5443855), (60, 4355084), (80, 3266313), (120, 2177542), (127, 2057520), (240, 1088771), (254, 1028760), (381, 685840), (508, 514380), (635, 411504), (762, 342920), (1016, 257190), (1270, 205752), (1524, 171460), (1905, 137168), (2032, 128595), (2540, 102876), (3048, 85730), (3810, 68584), (5080, 51438), (6096, 42865), (7620, 34292), (8573, 30480), (10160, 25719), (15240, 17146)]