1576768960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19998

約数の個数: 112

約数和(自身を含む): 4256532000

約数和(自身を除く): 2679763040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 9880, 15808, 19760, 19949, 39520, 39898, 79040, 79796, 99745, 159592, 199490, 259337, 319184, 379031, 398980, 518674, 638368, 758062, 797960, 1037348, 1276736, 1296685, 1516124, 1595920, 1895155, 2074696, 2593370, 3032248, 3191840, 3790310, 4149392, 4927403, 5186740, 6064496, 6383680, 7580620, 8298784, 9854806, 10373480, 12128992, 15161240, 16597568, 19709612, 20746960, 24257984, 24637015, 30322480, 39419224, 41493920, 49274030, 60644960, 78838448, 82987840, 98548060, 121289920, 157676896, 197096120, 315353792, 394192240, 788384480, 1576768960]

約数ペア:

[(1, 1576768960), (2, 788384480), (4, 394192240), (5, 315353792), (8, 197096120), (10, 157676896), (13, 121289920), (16, 98548060), (19, 82987840), (20, 78838448), (26, 60644960), (32, 49274030), (38, 41493920), (40, 39419224), (52, 30322480), (64, 24637015), (65, 24257984), (76, 20746960), (80, 19709612), (95, 16597568), (104, 15161240), (130, 12128992), (152, 10373480), (160, 9854806), (190, 8298784), (208, 7580620), (247, 6383680), (260, 6064496), (304, 5186740), (320, 4927403), (380, 4149392), (416, 3790310), (494, 3191840), (520, 3032248), (608, 2593370), (760, 2074696), (832, 1895155), (988, 1595920), (1040, 1516124), (1216, 1296685), (1235, 1276736), (1520, 1037348), (1976, 797960), (2080, 758062), (2470, 638368), (3040, 518674), (3952, 398980), (4160, 379031), (4940, 319184), (6080, 259337), (7904, 199490), (9880, 159592), (15808, 99745), (19760, 79796), (19949, 79040), (39520, 39898)]