213789120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5179}}^1$

素因数の和:5242

約数の個数: 112

約数和(自身を含む): 694700160

約数和(自身を除く): 480911040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 480, 516, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 2064, 2580, 2752, 3440, 4128, 5160, 5179, 6880, 8256, 10320, 10358, 13760, 15537, 20640, 20716, 25895, 31074, 41280, 41432, 51790, 62148, 77685, 82864, 103580, 124296, 155370, 165728, 207160, 222697, 248592, 310740, 331456, 414320, 445394, 497184, 621480, 668091, 828640, 890788, 994368, 1113485, 1242960, 1336182, 1657280, 1781576, 2226970, 2485920, 2672364, 3340455, 3563152, 4453940, 4971840, 5344728, 6680910, 7126304, 8907880, 10689456, 13361820, 14252608, 17815760, 21378912, 26723640, 35631520, 42757824, 53447280, 71263040, 106894560, 213789120]

約数ペア:

[(1, 213789120), (2, 106894560), (3, 71263040), (4, 53447280), (5, 42757824), (6, 35631520), (8, 26723640), (10, 21378912), (12, 17815760), (15, 14252608), (16, 13361820), (20, 10689456), (24, 8907880), (30, 7126304), (32, 6680910), (40, 5344728), (43, 4971840), (48, 4453940), (60, 3563152), (64, 3340455), (80, 2672364), (86, 2485920), (96, 2226970), (120, 1781576), (129, 1657280), (160, 1336182), (172, 1242960), (192, 1113485), (215, 994368), (240, 890788), (258, 828640), (320, 668091), (344, 621480), (430, 497184), (480, 445394), (516, 414320), (645, 331456), (688, 310740), (860, 248592), (960, 222697), (1032, 207160), (1290, 165728), (1376, 155370), (1720, 124296), (2064, 103580), (2580, 82864), (2752, 77685), (3440, 62148), (4128, 51790), (5160, 41432), (5179, 41280), (6880, 31074), (8256, 25895), (10320, 20716), (10358, 20640), (13760, 15537)]