1520794520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{42767}}^1$

素因数の和:42912

約数の個数: 64

約数和(自身を含む): 3941498880

約数和(自身を除く): 2420704360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2540, 3556, 4445, 5080, 7112, 8890, 17780, 35560, 42767, 85534, 171068, 213835, 299369, 342136, 427670, 598738, 855340, 1197476, 1496845, 1710680, 2394952, 2993690, 5431409, 5987380, 10862818, 11974760, 21725636, 27157045, 38019863, 43451272, 54314090, 76039726, 108628180, 152079452, 190099315, 217256360, 304158904, 380198630, 760397260, 1520794520]

約数ペア:

[(1, 1520794520), (2, 760397260), (4, 380198630), (5, 304158904), (7, 217256360), (8, 190099315), (10, 152079452), (14, 108628180), (20, 76039726), (28, 54314090), (35, 43451272), (40, 38019863), (56, 27157045), (70, 21725636), (127, 11974760), (140, 10862818), (254, 5987380), (280, 5431409), (508, 2993690), (635, 2394952), (889, 1710680), (1016, 1496845), (1270, 1197476), (1778, 855340), (2540, 598738), (3556, 427670), (4445, 342136), (5080, 299369), (7112, 213835), (8890, 171068), (17780, 85534), (35560, 42767)]