155123920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277007}}^1$

素因数の和:277027

約数の個数: 40

約数和(自身を含む): 412187904

約数和(自身を除く): 257063984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 277007, 554014, 1108028, 1385035, 1939049, 2216056, 2770070, 3878098, 4432112, 5540140, 7756196, 9695245, 11080280, 15512392, 19390490, 22160560, 31024784, 38780980, 77561960, 155123920]

約数ペア:

[(1, 155123920), (2, 77561960), (4, 38780980), (5, 31024784), (7, 22160560), (8, 19390490), (10, 15512392), (14, 11080280), (16, 9695245), (20, 7756196), (28, 5540140), (35, 4432112), (40, 3878098), (56, 2770070), (70, 2216056), (80, 1939049), (112, 1385035), (140, 1108028), (280, 554014), (560, 277007)]