11431980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 40744704

約数和(自身を除く): 29312724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 211, 215, 252, 258, 301, 315, 387, 420, 422, 430, 516, 602, 630, 633, 645, 774, 844, 860, 903, 1055, 1204, 1260, 1266, 1290, 1477, 1505, 1548, 1806, 1899, 1935, 2110, 2532, 2580, 2709, 2954, 3010, 3165, 3612, 3798, 3870, 4220, 4431, 4515, 5418, 5908, 6020, 6330, 7385, 7596, 7740, 8862, 9030, 9073, 9495, 10836, 12660, 13293, 13545, 14770, 17724, 18060, 18146, 18990, 22155, 26586, 27090, 27219, 29540, 36292, 37980, 44310, 45365, 53172, 54180, 54438, 63511, 66465, 81657, 88620, 90730, 108876, 127022, 132930, 136095, 163314, 181460, 190533, 254044, 265860, 272190, 317555, 326628, 381066, 408285, 544380, 571599, 635110, 762132, 816570, 952665, 1143198, 1270220, 1633140, 1905330, 2286396, 2857995, 3810660, 5715990, 11431980]

約数ペア:

[(1, 11431980), (2, 5715990), (3, 3810660), (4, 2857995), (5, 2286396), (6, 1905330), (7, 1633140), (9, 1270220), (10, 1143198), (12, 952665), (14, 816570), (15, 762132), (18, 635110), (20, 571599), (21, 544380), (28, 408285), (30, 381066), (35, 326628), (36, 317555), (42, 272190), (43, 265860), (45, 254044), (60, 190533), (63, 181460), (70, 163314), (84, 136095), (86, 132930), (90, 127022), (105, 108876), (126, 90730), (129, 88620), (140, 81657), (172, 66465), (180, 63511), (210, 54438), (211, 54180), (215, 53172), (252, 45365), (258, 44310), (301, 37980), (315, 36292), (387, 29540), (420, 27219), (422, 27090), (430, 26586), (516, 22155), (602, 18990), (630, 18146), (633, 18060), (645, 17724), (774, 14770), (844, 13545), (860, 13293), (903, 12660), (1055, 10836), (1204, 9495), (1260, 9073), (1266, 9030), (1290, 8862), (1477, 7740), (1505, 7596), (1548, 7385), (1806, 6330), (1899, 6020), (1935, 5908), (2110, 5418), (2532, 4515), (2580, 4431), (2709, 4220), (2954, 3870), (3010, 3798), (3165, 3612)]