322496120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 819720000

約数和(自身を除く): 497223880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 109, 136, 152, 170, 190, 218, 229, 323, 340, 380, 436, 458, 545, 646, 680, 760, 872, 916, 1090, 1145, 1292, 1615, 1832, 1853, 2071, 2180, 2290, 2584, 3230, 3706, 3893, 4142, 4351, 4360, 4580, 6460, 7412, 7786, 8284, 8702, 9160, 9265, 10355, 12920, 14824, 15572, 16568, 17404, 18530, 19465, 20710, 21755, 24961, 31144, 34808, 35207, 37060, 38930, 41420, 43510, 49922, 70414, 73967, 74120, 77860, 82840, 87020, 99844, 124805, 140828, 147934, 155720, 174040, 176035, 199688, 249610, 281656, 295868, 352070, 369835, 424337, 474259, 499220, 591736, 704140, 739670, 848674, 948518, 998440, 1408280, 1479340, 1697348, 1897036, 2121685, 2371295, 2958680, 3394696, 3794072, 4243370, 4742590, 8062403, 8486740, 9485180, 16124806, 16973480, 18970360, 32249612, 40312015, 64499224, 80624030, 161248060, 322496120]

約数ペア:

[(1, 322496120), (2, 161248060), (4, 80624030), (5, 64499224), (8, 40312015), (10, 32249612), (17, 18970360), (19, 16973480), (20, 16124806), (34, 9485180), (38, 8486740), (40, 8062403), (68, 4742590), (76, 4243370), (85, 3794072), (95, 3394696), (109, 2958680), (136, 2371295), (152, 2121685), (170, 1897036), (190, 1697348), (218, 1479340), (229, 1408280), (323, 998440), (340, 948518), (380, 848674), (436, 739670), (458, 704140), (545, 591736), (646, 499220), (680, 474259), (760, 424337), (872, 369835), (916, 352070), (1090, 295868), (1145, 281656), (1292, 249610), (1615, 199688), (1832, 176035), (1853, 174040), (2071, 155720), (2180, 147934), (2290, 140828), (2584, 124805), (3230, 99844), (3706, 87020), (3893, 82840), (4142, 77860), (4351, 74120), (4360, 73967), (4580, 70414), (6460, 49922), (7412, 43510), (7786, 41420), (8284, 38930), (8702, 37060), (9160, 35207), (9265, 34808), (10355, 31144), (12920, 24961), (14824, 21755), (15572, 20710), (16568, 19465), (17404, 18530)]