1723120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 4874688

約数和(自身を除く): 3151568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 181, 238, 272, 280, 340, 362, 476, 560, 595, 680, 724, 905, 952, 1190, 1267, 1360, 1448, 1810, 1904, 2380, 2534, 2896, 3077, 3620, 4760, 5068, 6154, 6335, 7240, 9520, 10136, 12308, 12670, 14480, 15385, 20272, 21539, 24616, 25340, 30770, 43078, 49232, 50680, 61540, 86156, 101360, 107695, 123080, 172312, 215390, 246160, 344624, 430780, 861560, 1723120]

約数ペア:

[(1, 1723120), (2, 861560), (4, 430780), (5, 344624), (7, 246160), (8, 215390), (10, 172312), (14, 123080), (16, 107695), (17, 101360), (20, 86156), (28, 61540), (34, 50680), (35, 49232), (40, 43078), (56, 30770), (68, 25340), (70, 24616), (80, 21539), (85, 20272), (112, 15385), (119, 14480), (136, 12670), (140, 12308), (170, 10136), (181, 9520), (238, 7240), (272, 6335), (280, 6154), (340, 5068), (362, 4760), (476, 3620), (560, 3077), (595, 2896), (680, 2534), (724, 2380), (905, 1904), (952, 1810), (1190, 1448), (1267, 1360)]