76842920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 219628800

約数和(自身を除く): 142785880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 220, 244, 280, 305, 308, 385, 409, 427, 440, 488, 610, 616, 671, 770, 818, 854, 1220, 1342, 1540, 1636, 1708, 2045, 2135, 2440, 2684, 2863, 3080, 3272, 3355, 3416, 4090, 4270, 4499, 4697, 5368, 5726, 6710, 8180, 8540, 8998, 9394, 11452, 13420, 14315, 16360, 17080, 17996, 18788, 22495, 22904, 23485, 24949, 26840, 28630, 31493, 35992, 37576, 44990, 46970, 49898, 57260, 62986, 89980, 93940, 99796, 114520, 124745, 125972, 157465, 174643, 179960, 187880, 199592, 249490, 251944, 274439, 314930, 349286, 498980, 548878, 629860, 698572, 873215, 997960, 1097756, 1259720, 1372195, 1397144, 1746430, 1921073, 2195512, 2744390, 3492860, 3842146, 5488780, 6985720, 7684292, 9605365, 10977560, 15368584, 19210730, 38421460, 76842920]

約数ペア:

[(1, 76842920), (2, 38421460), (4, 19210730), (5, 15368584), (7, 10977560), (8, 9605365), (10, 7684292), (11, 6985720), (14, 5488780), (20, 3842146), (22, 3492860), (28, 2744390), (35, 2195512), (40, 1921073), (44, 1746430), (55, 1397144), (56, 1372195), (61, 1259720), (70, 1097756), (77, 997960), (88, 873215), (110, 698572), (122, 629860), (140, 548878), (154, 498980), (220, 349286), (244, 314930), (280, 274439), (305, 251944), (308, 249490), (385, 199592), (409, 187880), (427, 179960), (440, 174643), (488, 157465), (610, 125972), (616, 124745), (671, 114520), (770, 99796), (818, 93940), (854, 89980), (1220, 62986), (1342, 57260), (1540, 49898), (1636, 46970), (1708, 44990), (2045, 37576), (2135, 35992), (2440, 31493), (2684, 28630), (2863, 26840), (3080, 24949), (3272, 23485), (3355, 22904), (3416, 22495), (4090, 18788), (4270, 17996), (4499, 17080), (4697, 16360), (5368, 14315), (5726, 13420), (6710, 11452), (8180, 9394), (8540, 8998)]