68591880

素因数分解:

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

素因数の和:281

約数の個数: 256

約数和(自身を含む): 268646400

約数和(自身を除く): 200054520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 211, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 422, 430, 504, 516, 540, 602, 630, 633, 645, 756, 774, 840, 844, 860, 903, 945, 1032, 1055, 1080, 1161, 1204, 1260, 1266, 1290, 1477, 1505, 1512, 1548, 1688, 1720, 1806, 1890, 1899, 1935, 2110, 2322, 2408, 2520, 2532, 2580, 2709, 2954, 3010, 3096, 3165, 3612, 3780, 3798, 3870, 4220, 4431, 4515, 4644, 5064, 5160, 5418, 5697, 5805, 5908, 6020, 6330, 7224, 7385, 7560, 7596, 7740, 8127, 8440, 8862, 9030, 9073, 9288, 9495, 10836, 11394, 11610, 11816, 12040, 12660, 13293, 13545, 14770, 15192, 15480, 16254, 17724, 18060, 18146, 18990, 21672, 22155, 22788, 23220, 25320, 26586, 27090, 27219, 28485, 29540, 32508, 35448, 36120, 36292, 37980, 39879, 40635, 44310, 45365, 45576, 46440, 53172, 54180, 54438, 56970, 59080, 63511, 65016, 66465, 72584, 75960, 79758, 81270, 81657, 88620, 90730, 106344, 108360, 108876, 113940, 127022, 132930, 136095, 159516, 162540, 163314, 177240, 181460, 190533, 199395, 217752, 227880, 244971, 254044, 265860, 272190, 317555, 319032, 325080, 326628, 362920, 381066, 398790, 408285, 489942, 508088, 531720, 544380, 571599, 635110, 653256, 762132, 797580, 816570, 952665, 979884, 1088760, 1143198, 1224855, 1270220, 1524264, 1595160, 1633140, 1714797, 1905330, 1959768, 2286396, 2449710, 2540440, 2857995, 3266280, 3429594, 3810660, 4572792, 4899420, 5715990, 6859188, 7621320, 8573985, 9798840, 11431980, 13718376, 17147970, 22863960, 34295940, 68591880]

約数ペア:

[(1, 68591880), (2, 34295940), (3, 22863960), (4, 17147970), (5, 13718376), (6, 11431980), (7, 9798840), (8, 8573985), (9, 7621320), (10, 6859188), (12, 5715990), (14, 4899420), (15, 4572792), (18, 3810660), (20, 3429594), (21, 3266280), (24, 2857995), (27, 2540440), (28, 2449710), (30, 2286396), (35, 1959768), (36, 1905330), (40, 1714797), (42, 1633140), (43, 1595160), (45, 1524264), (54, 1270220), (56, 1224855), (60, 1143198), (63, 1088760), (70, 979884), (72, 952665), (84, 816570), (86, 797580), (90, 762132), (105, 653256), (108, 635110), (120, 571599), (126, 544380), (129, 531720), (135, 508088), (140, 489942), (168, 408285), (172, 398790), (180, 381066), (189, 362920), (210, 326628), (211, 325080), (215, 319032), (216, 317555), (252, 272190), (258, 265860), (270, 254044), (280, 244971), (301, 227880), (315, 217752), (344, 199395), (360, 190533), (378, 181460), (387, 177240), (420, 163314), (422, 162540), (430, 159516), (504, 136095), (516, 132930), (540, 127022), (602, 113940), (630, 108876), (633, 108360), (645, 106344), (756, 90730), (774, 88620), (840, 81657), (844, 81270), (860, 79758), (903, 75960), (945, 72584), (1032, 66465), (1055, 65016), (1080, 63511), (1161, 59080), (1204, 56970), (1260, 54438), (1266, 54180), (1290, 53172), (1477, 46440), (1505, 45576), (1512, 45365), (1548, 44310), (1688, 40635), (1720, 39879), (1806, 37980), (1890, 36292), (1899, 36120), (1935, 35448), (2110, 32508), (2322, 29540), (2408, 28485), (2520, 27219), (2532, 27090), (2580, 26586), (2709, 25320), (2954, 23220), (3010, 22788), (3096, 22155), (3165, 21672), (3612, 18990), (3780, 18146), (3798, 18060), (3870, 17724), (4220, 16254), (4431, 15480), (4515, 15192), (4644, 14770), (5064, 13545), (5160, 13293), (5418, 12660), (5697, 12040), (5805, 11816), (5908, 11610), (6020, 11394), (6330, 10836), (7224, 9495), (7385, 9288), (7560, 9073), (7596, 9030), (7740, 8862), (8127, 8440)]