645837984

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 216

約数和(自身を含む): 2070484416

約数和(自身を除く): 1424646432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 43, 44, 48, 66, 72, 86, 88, 96, 99, 121, 129, 132, 144, 172, 176, 198, 242, 258, 264, 288, 344, 352, 363, 387, 396, 431, 473, 484, 516, 528, 688, 726, 774, 792, 862, 946, 968, 1032, 1056, 1089, 1293, 1376, 1419, 1452, 1548, 1584, 1724, 1892, 1936, 2064, 2178, 2586, 2838, 2904, 3096, 3168, 3448, 3784, 3872, 3879, 4128, 4257, 4356, 4741, 5172, 5203, 5676, 5808, 6192, 6896, 7568, 7758, 8514, 8712, 9482, 10344, 10406, 11352, 11616, 12384, 13792, 14223, 15136, 15516, 15609, 17028, 17424, 18533, 18964, 20688, 20812, 22704, 28446, 31032, 31218, 34056, 34848, 37066, 37928, 41376, 41624, 42669, 45408, 46827, 52151, 55599, 56892, 62064, 62436, 68112, 74132, 75856, 83248, 85338, 93654, 104302, 111198, 113784, 124128, 124872, 136224, 148264, 151712, 156453, 166496, 166797, 170676, 187308, 203863, 208604, 222396, 227568, 249744, 296528, 312906, 333594, 341352, 374616, 407726, 417208, 444792, 455136, 469359, 499488, 593056, 611589, 625812, 667188, 682704, 749232, 815452, 834416, 889584, 938718, 1223178, 1251624, 1334376, 1365408, 1498464, 1630904, 1668832, 1779168, 1834767, 1877436, 2242493, 2446356, 2503248, 2668752, 3261808, 3669534, 3754872, 4484986, 4892712, 5006496, 5337504, 6523616, 6727479, 7339068, 7509744, 8969972, 9785424, 13454958, 14678136, 15019488, 17939944, 19570848, 20182437, 26909916, 29356272, 35879888, 40364874, 53819832, 58712544, 71759776, 80729748, 107639664, 161459496, 215279328, 322918992, 645837984]

約数ペア:

[(1, 645837984), (2, 322918992), (3, 215279328), (4, 161459496), (6, 107639664), (8, 80729748), (9, 71759776), (11, 58712544), (12, 53819832), (16, 40364874), (18, 35879888), (22, 29356272), (24, 26909916), (32, 20182437), (33, 19570848), (36, 17939944), (43, 15019488), (44, 14678136), (48, 13454958), (66, 9785424), (72, 8969972), (86, 7509744), (88, 7339068), (96, 6727479), (99, 6523616), (121, 5337504), (129, 5006496), (132, 4892712), (144, 4484986), (172, 3754872), (176, 3669534), (198, 3261808), (242, 2668752), (258, 2503248), (264, 2446356), (288, 2242493), (344, 1877436), (352, 1834767), (363, 1779168), (387, 1668832), (396, 1630904), (431, 1498464), (473, 1365408), (484, 1334376), (516, 1251624), (528, 1223178), (688, 938718), (726, 889584), (774, 834416), (792, 815452), (862, 749232), (946, 682704), (968, 667188), (1032, 625812), (1056, 611589), (1089, 593056), (1293, 499488), (1376, 469359), (1419, 455136), (1452, 444792), (1548, 417208), (1584, 407726), (1724, 374616), (1892, 341352), (1936, 333594), (2064, 312906), (2178, 296528), (2586, 249744), (2838, 227568), (2904, 222396), (3096, 208604), (3168, 203863), (3448, 187308), (3784, 170676), (3872, 166797), (3879, 166496), (4128, 156453), (4257, 151712), (4356, 148264), (4741, 136224), (5172, 124872), (5203, 124128), (5676, 113784), (5808, 111198), (6192, 104302), (6896, 93654), (7568, 85338), (7758, 83248), (8514, 75856), (8712, 74132), (9482, 68112), (10344, 62436), (10406, 62064), (11352, 56892), (11616, 55599), (12384, 52151), (13792, 46827), (14223, 45408), (15136, 42669), (15516, 41624), (15609, 41376), (17028, 37928), (17424, 37066), (18533, 34848), (18964, 34056), (20688, 31218), (20812, 31032), (22704, 28446)]