254302720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 160

約数和(自身を含む): 728310528

約数和(自身を除く): 474007808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 512, 560, 617, 640, 644, 736, 805, 896, 920, 1120, 1234, 1280, 1288, 1472, 1610, 1792, 1840, 2240, 2468, 2560, 2576, 2944, 3085, 3220, 3584, 3680, 4319, 4480, 4936, 5152, 5888, 6170, 6440, 7360, 8638, 8960, 9872, 10304, 11776, 12340, 12880, 14191, 14720, 17276, 17920, 19744, 20608, 21595, 24680, 25760, 28382, 29440, 34552, 39488, 41216, 43190, 49360, 51520, 56764, 58880, 69104, 70955, 78976, 82432, 86380, 98720, 99337, 103040, 113528, 138208, 141910, 157952, 172760, 197440, 198674, 206080, 227056, 276416, 283820, 315904, 345520, 394880, 397348, 412160, 454112, 496685, 552832, 567640, 691040, 789760, 794696, 908224, 993370, 1105664, 1135280, 1382080, 1579520, 1589392, 1816448, 1986740, 2211328, 2270560, 2764160, 3178784, 3632896, 3973480, 4541120, 5528320, 6357568, 7265792, 7946960, 9082240, 11056640, 12715136, 15893920, 18164480, 25430272, 31787840, 36328960, 50860544, 63575680, 127151360, 254302720]

約数ペア:

[(1, 254302720), (2, 127151360), (4, 63575680), (5, 50860544), (7, 36328960), (8, 31787840), (10, 25430272), (14, 18164480), (16, 15893920), (20, 12715136), (23, 11056640), (28, 9082240), (32, 7946960), (35, 7265792), (40, 6357568), (46, 5528320), (56, 4541120), (64, 3973480), (70, 3632896), (80, 3178784), (92, 2764160), (112, 2270560), (115, 2211328), (128, 1986740), (140, 1816448), (160, 1589392), (161, 1579520), (184, 1382080), (224, 1135280), (230, 1105664), (256, 993370), (280, 908224), (320, 794696), (322, 789760), (368, 691040), (448, 567640), (460, 552832), (512, 496685), (560, 454112), (617, 412160), (640, 397348), (644, 394880), (736, 345520), (805, 315904), (896, 283820), (920, 276416), (1120, 227056), (1234, 206080), (1280, 198674), (1288, 197440), (1472, 172760), (1610, 157952), (1792, 141910), (1840, 138208), (2240, 113528), (2468, 103040), (2560, 99337), (2576, 98720), (2944, 86380), (3085, 82432), (3220, 78976), (3584, 70955), (3680, 69104), (4319, 58880), (4480, 56764), (4936, 51520), (5152, 49360), (5888, 43190), (6170, 41216), (6440, 39488), (7360, 34552), (8638, 29440), (8960, 28382), (9872, 25760), (10304, 24680), (11776, 21595), (12340, 20608), (12880, 19744), (14191, 17920), (14720, 17276)]