1708997680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{1913}}^1$

素因数の和:2798

約数の個数: 80

約数和(自身を含む): 4286288160

約数和(自身を除く): 2577290480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 859, 1040, 1718, 1913, 3436, 3826, 4295, 6872, 7652, 8590, 9565, 11167, 13744, 15304, 17180, 19130, 22334, 24869, 30608, 34360, 38260, 44668, 49738, 55835, 68720, 76520, 89336, 99476, 111670, 124345, 153040, 178672, 198952, 223340, 248690, 397904, 446680, 497380, 893360, 994760, 1643267, 1989520, 3286534, 6573068, 8216335, 13146136, 16432670, 21362471, 26292272, 32865340, 42724942, 65730680, 85449884, 106812355, 131461360, 170899768, 213624710, 341799536, 427249420, 854498840, 1708997680]

約数ペア:

[(1, 1708997680), (2, 854498840), (4, 427249420), (5, 341799536), (8, 213624710), (10, 170899768), (13, 131461360), (16, 106812355), (20, 85449884), (26, 65730680), (40, 42724942), (52, 32865340), (65, 26292272), (80, 21362471), (104, 16432670), (130, 13146136), (208, 8216335), (260, 6573068), (520, 3286534), (859, 1989520), (1040, 1643267), (1718, 994760), (1913, 893360), (3436, 497380), (3826, 446680), (4295, 397904), (6872, 248690), (7652, 223340), (8590, 198952), (9565, 178672), (11167, 153040), (13744, 124345), (15304, 111670), (17180, 99476), (19130, 89336), (22334, 76520), (24869, 68720), (30608, 55835), (34360, 49738), (38260, 44668)]