43779440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 106659840

約数和(自身を除く): 62880400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 139, 155, 248, 254, 278, 310, 496, 508, 556, 620, 635, 695, 1016, 1112, 1240, 1270, 1390, 2032, 2224, 2480, 2540, 2780, 3937, 4309, 5080, 5560, 7874, 8618, 10160, 11120, 15748, 17236, 17653, 19685, 21545, 31496, 34472, 35306, 39370, 43090, 62992, 68944, 70612, 78740, 86180, 88265, 141224, 157480, 172360, 176530, 282448, 314960, 344720, 353060, 547243, 706120, 1094486, 1412240, 2188972, 2736215, 4377944, 5472430, 8755888, 10944860, 21889720, 43779440]

約数ペア:

[(1, 43779440), (2, 21889720), (4, 10944860), (5, 8755888), (8, 5472430), (10, 4377944), (16, 2736215), (20, 2188972), (31, 1412240), (40, 1094486), (62, 706120), (80, 547243), (124, 353060), (127, 344720), (139, 314960), (155, 282448), (248, 176530), (254, 172360), (278, 157480), (310, 141224), (496, 88265), (508, 86180), (556, 78740), (620, 70612), (635, 68944), (695, 62992), (1016, 43090), (1112, 39370), (1240, 35306), (1270, 34472), (1390, 31496), (2032, 21545), (2224, 19685), (2480, 17653), (2540, 17236), (2780, 15748), (3937, 11120), (4309, 10160), (5080, 8618), (5560, 7874)]