126003920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1252

約数の個数: 80

約数和(自身を含む): 336645120

約数和(自身を除く): 210641200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1009, 1115, 1561, 1784, 2018, 2230, 3122, 3568, 4036, 4460, 5045, 6244, 7063, 7805, 8072, 8920, 10090, 12488, 14126, 15610, 16144, 17840, 20180, 24976, 28252, 31220, 35315, 40360, 56504, 62440, 70630, 80720, 113008, 124880, 141260, 225007, 282520, 450014, 565040, 900028, 1125035, 1575049, 1800056, 2250070, 3150098, 3600112, 4500140, 6300196, 7875245, 9000280, 12600392, 15750490, 18000560, 25200784, 31500980, 63001960, 126003920]

約数ペア:

[(1, 126003920), (2, 63001960), (4, 31500980), (5, 25200784), (7, 18000560), (8, 15750490), (10, 12600392), (14, 9000280), (16, 7875245), (20, 6300196), (28, 4500140), (35, 3600112), (40, 3150098), (56, 2250070), (70, 1800056), (80, 1575049), (112, 1125035), (140, 900028), (223, 565040), (280, 450014), (446, 282520), (560, 225007), (892, 141260), (1009, 124880), (1115, 113008), (1561, 80720), (1784, 70630), (2018, 62440), (2230, 56504), (3122, 40360), (3568, 35315), (4036, 31220), (4460, 28252), (5045, 24976), (6244, 20180), (7063, 17840), (7805, 16144), (8072, 15610), (8920, 14126), (10090, 12488)]