77139120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321413}}^1$

素因数の和:321429

約数の個数: 40

約数和(自身を含む): 239132016

約数和(自身を除く): 161992896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321413, 642826, 964239, 1285652, 1607065, 1928478, 2571304, 3214130, 3856956, 4821195, 5142608, 6428260, 7713912, 9642390, 12856520, 15427824, 19284780, 25713040, 38569560, 77139120]

約数ペア:

[(1, 77139120), (2, 38569560), (3, 25713040), (4, 19284780), (5, 15427824), (6, 12856520), (8, 9642390), (10, 7713912), (12, 6428260), (15, 5142608), (16, 4821195), (20, 3856956), (24, 3214130), (30, 2571304), (40, 1928478), (48, 1607065), (60, 1285652), (80, 964239), (120, 642826), (240, 321413)]