2020194180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1237}}^1$

素因数の和:1506

約数の個数: 144

約数和(自身を含む): 6305242944

約数和(自身を除く): 4285048764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 211, 215, 258, 387, 422, 430, 516, 633, 645, 774, 844, 860, 1055, 1237, 1266, 1290, 1548, 1899, 1935, 2110, 2474, 2532, 2580, 3165, 3711, 3798, 3870, 4220, 4948, 6185, 6330, 7422, 7596, 7740, 9073, 9495, 11133, 12370, 12660, 14844, 18146, 18555, 18990, 22266, 24740, 27219, 36292, 37110, 37980, 44532, 45365, 53191, 54438, 55665, 74220, 81657, 90730, 106382, 108876, 111330, 136095, 159573, 163314, 181460, 212764, 222660, 261007, 265955, 272190, 319146, 326628, 408285, 478719, 522014, 531910, 544380, 638292, 783021, 797865, 816570, 957438, 1044028, 1063820, 1305035, 1566042, 1595730, 1633140, 1914876, 2349063, 2393595, 2610070, 3132084, 3191460, 3915105, 4698126, 4787190, 5220140, 7830210, 9396252, 9574380, 11223301, 11745315, 15660420, 22446602, 23490630, 33669903, 44893204, 46981260, 56116505, 67339806, 101009709, 112233010, 134679612, 168349515, 202019418, 224466020, 336699030, 404038836, 505048545, 673398060, 1010097090, 2020194180]

約数ペア:

[(1, 2020194180), (2, 1010097090), (3, 673398060), (4, 505048545), (5, 404038836), (6, 336699030), (9, 224466020), (10, 202019418), (12, 168349515), (15, 134679612), (18, 112233010), (20, 101009709), (30, 67339806), (36, 56116505), (43, 46981260), (45, 44893204), (60, 33669903), (86, 23490630), (90, 22446602), (129, 15660420), (172, 11745315), (180, 11223301), (211, 9574380), (215, 9396252), (258, 7830210), (387, 5220140), (422, 4787190), (430, 4698126), (516, 3915105), (633, 3191460), (645, 3132084), (774, 2610070), (844, 2393595), (860, 2349063), (1055, 1914876), (1237, 1633140), (1266, 1595730), (1290, 1566042), (1548, 1305035), (1899, 1063820), (1935, 1044028), (2110, 957438), (2474, 816570), (2532, 797865), (2580, 783021), (3165, 638292), (3711, 544380), (3798, 531910), (3870, 522014), (4220, 478719), (4948, 408285), (6185, 326628), (6330, 319146), (7422, 272190), (7596, 265955), (7740, 261007), (9073, 222660), (9495, 212764), (11133, 181460), (12370, 163314), (12660, 159573), (14844, 136095), (18146, 111330), (18555, 108876), (18990, 106382), (22266, 90730), (24740, 81657), (27219, 74220), (36292, 55665), (37110, 54438), (37980, 53191), (44532, 45365)]