255971520

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12697}}^1$

素因数の和:12727

約数の個数: 168

約数和(自身を含む): 1006291104

約数和(自身を除く): 750319584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 12697, 20160, 25394, 38091, 50788, 63485, 76182, 88879, 101576, 114273, 126970, 152364, 177758, 190455, 203152, 228546, 253940, 266637, 304728, 355516, 380910, 406304, 444395, 457092, 507880, 533274, 571365, 609456, 711032, 761820, 799911, 812608, 888790, 914184, 1015760, 1066548, 1142730, 1218912, 1333185, 1422064, 1523640, 1599822, 1777580, 1828368, 2031520, 2133096, 2285460, 2437824, 2666370, 2844128, 3047280, 3199644, 3555160, 3656736, 3999555, 4063040, 4266192, 4570920, 5332740, 5688256, 6094560, 6399288, 7110320, 7313472, 7999110, 8532384, 9141840, 10665480, 12189120, 12798576, 14220640, 15998220, 17064768, 18283680, 21330960, 25597152, 28441280, 31996440, 36567360, 42661920, 51194304, 63992880, 85323840, 127985760, 255971520]

約数ペア:

[(1, 255971520), (2, 127985760), (3, 85323840), (4, 63992880), (5, 51194304), (6, 42661920), (7, 36567360), (8, 31996440), (9, 28441280), (10, 25597152), (12, 21330960), (14, 18283680), (15, 17064768), (16, 15998220), (18, 14220640), (20, 12798576), (21, 12189120), (24, 10665480), (28, 9141840), (30, 8532384), (32, 7999110), (35, 7313472), (36, 7110320), (40, 6399288), (42, 6094560), (45, 5688256), (48, 5332740), (56, 4570920), (60, 4266192), (63, 4063040), (64, 3999555), (70, 3656736), (72, 3555160), (80, 3199644), (84, 3047280), (90, 2844128), (96, 2666370), (105, 2437824), (112, 2285460), (120, 2133096), (126, 2031520), (140, 1828368), (144, 1777580), (160, 1599822), (168, 1523640), (180, 1422064), (192, 1333185), (210, 1218912), (224, 1142730), (240, 1066548), (252, 1015760), (280, 914184), (288, 888790), (315, 812608), (320, 799911), (336, 761820), (360, 711032), (420, 609456), (448, 571365), (480, 533274), (504, 507880), (560, 457092), (576, 444395), (630, 406304), (672, 380910), (720, 355516), (840, 304728), (960, 266637), (1008, 253940), (1120, 228546), (1260, 203152), (1344, 190455), (1440, 177758), (1680, 152364), (2016, 126970), (2240, 114273), (2520, 101576), (2880, 88879), (3360, 76182), (4032, 63485), (5040, 50788), (6720, 38091), (10080, 25394), (12697, 20160)]