64895740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 169513344

約数和(自身を除く): 104617604

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 181, 182, 197, 260, 362, 364, 394, 455, 724, 788, 905, 910, 985, 1267, 1379, 1810, 1820, 1970, 2353, 2534, 2561, 2758, 3620, 3940, 4706, 5068, 5122, 5516, 6335, 6895, 9412, 10244, 11765, 12670, 12805, 13790, 16471, 17927, 23530, 25340, 25610, 27580, 32942, 35657, 35854, 47060, 51220, 65884, 71314, 71708, 82355, 89635, 142628, 164710, 178285, 179270, 249599, 329420, 356570, 358540, 463541, 499198, 713140, 927082, 998396, 1247995, 1854164, 2317705, 2495990, 3244787, 4635410, 4991980, 6489574, 9270820, 12979148, 16223935, 32447870, 64895740]

約数ペア:

[(1, 64895740), (2, 32447870), (4, 16223935), (5, 12979148), (7, 9270820), (10, 6489574), (13, 4991980), (14, 4635410), (20, 3244787), (26, 2495990), (28, 2317705), (35, 1854164), (52, 1247995), (65, 998396), (70, 927082), (91, 713140), (130, 499198), (140, 463541), (181, 358540), (182, 356570), (197, 329420), (260, 249599), (362, 179270), (364, 178285), (394, 164710), (455, 142628), (724, 89635), (788, 82355), (905, 71708), (910, 71314), (985, 65884), (1267, 51220), (1379, 47060), (1810, 35854), (1820, 35657), (1970, 32942), (2353, 27580), (2534, 25610), (2561, 25340), (2758, 23530), (3620, 17927), (3940, 16471), (4706, 13790), (5068, 12805), (5122, 12670), (5516, 11765), (6335, 10244), (6895, 9412)]