268684640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:869

約数の個数: 144

約数和(自身を含む): 756523152

約数和(自身を除く): 487838512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 797, 860, 980, 1120, 1204, 1376, 1505, 1568, 1594, 1720, 1960, 2107, 2408, 3010, 3188, 3440, 3920, 3985, 4214, 4816, 5579, 6020, 6376, 6880, 7840, 7970, 8428, 9632, 10535, 11158, 12040, 12752, 15940, 16856, 21070, 22316, 24080, 25504, 27895, 31880, 33712, 34271, 39053, 42140, 44632, 48160, 55790, 63760, 67424, 68542, 78106, 84280, 89264, 111580, 127520, 137084, 156212, 168560, 171355, 178528, 195265, 223160, 239897, 274168, 312424, 337120, 342710, 390530, 446320, 479794, 548336, 624848, 685420, 781060, 892640, 959588, 1096672, 1199485, 1249696, 1370840, 1562120, 1679279, 1919176, 2398970, 2741680, 3124240, 3358558, 3838352, 4797940, 5483360, 6248480, 6717116, 7676704, 8396395, 9595880, 13434232, 16792790, 19191760, 26868464, 33585580, 38383520, 53736928, 67171160, 134342320, 268684640]

約数ペア:

[(1, 268684640), (2, 134342320), (4, 67171160), (5, 53736928), (7, 38383520), (8, 33585580), (10, 26868464), (14, 19191760), (16, 16792790), (20, 13434232), (28, 9595880), (32, 8396395), (35, 7676704), (40, 6717116), (43, 6248480), (49, 5483360), (56, 4797940), (70, 3838352), (80, 3358558), (86, 3124240), (98, 2741680), (112, 2398970), (140, 1919176), (160, 1679279), (172, 1562120), (196, 1370840), (215, 1249696), (224, 1199485), (245, 1096672), (280, 959588), (301, 892640), (344, 781060), (392, 685420), (430, 624848), (490, 548336), (560, 479794), (602, 446320), (688, 390530), (784, 342710), (797, 337120), (860, 312424), (980, 274168), (1120, 239897), (1204, 223160), (1376, 195265), (1505, 178528), (1568, 171355), (1594, 168560), (1720, 156212), (1960, 137084), (2107, 127520), (2408, 111580), (3010, 89264), (3188, 84280), (3440, 78106), (3920, 68542), (3985, 67424), (4214, 63760), (4816, 55790), (5579, 48160), (6020, 44632), (6376, 42140), (6880, 39053), (7840, 34271), (7970, 33712), (8428, 31880), (9632, 27895), (10535, 25504), (11158, 24080), (12040, 22316), (12752, 21070), (15940, 16856)]