1780841216

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 216

約数和(自身を含む): 4593211392

約数和(自身を除く): 2812370176

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 64, 77, 86, 88, 112, 121, 128, 154, 172, 176, 191, 224, 242, 256, 301, 308, 344, 352, 382, 448, 473, 484, 602, 616, 688, 704, 764, 847, 896, 946, 968, 1204, 1232, 1337, 1376, 1408, 1528, 1694, 1792, 1892, 1936, 2101, 2408, 2464, 2674, 2752, 2816, 3056, 3311, 3388, 3784, 3872, 4202, 4816, 4928, 5203, 5348, 5504, 6112, 6622, 6776, 7568, 7744, 8213, 8404, 9632, 9856, 10406, 10696, 11008, 12224, 13244, 13552, 14707, 15136, 15488, 16426, 16808, 19264, 19712, 20812, 21392, 23111, 24448, 26488, 27104, 29414, 30272, 30976, 32852, 33616, 36421, 38528, 41624, 42784, 46222, 48896, 52976, 54208, 57491, 58828, 60544, 65704, 67232, 72842, 77056, 83248, 85568, 90343, 92444, 105952, 108416, 114982, 117656, 121088, 131408, 134464, 145684, 161777, 166496, 171136, 180686, 184888, 211904, 216832, 229964, 235312, 262816, 268928, 291368, 323554, 332992, 342272, 361372, 369776, 423808, 459928, 470624, 525632, 537856, 582736, 632401, 647108, 665984, 722744, 739552, 847616, 919856, 941248, 993773, 1051264, 1165472, 1264802, 1294216, 1331968, 1445488, 1479104, 1839712, 1882496, 1987546, 2102528, 2330944, 2529604, 2588432, 2890976, 2958208, 3679424, 3764992, 3975092, 4661888, 5059208, 5176864, 5781952, 5916416, 6956411, 7358848, 7950184, 9323776, 10118416, 10353728, 11563904, 13912822, 14717696, 15900368, 20236832, 20707456, 23127808, 27825644, 31800736, 40473664, 41414912, 55651288, 63601472, 80947328, 111302576, 127202944, 161894656, 222605152, 254405888, 445210304, 890420608, 1780841216]

約数ペア:

[(1, 1780841216), (2, 890420608), (4, 445210304), (7, 254405888), (8, 222605152), (11, 161894656), (14, 127202944), (16, 111302576), (22, 80947328), (28, 63601472), (32, 55651288), (43, 41414912), (44, 40473664), (56, 31800736), (64, 27825644), (77, 23127808), (86, 20707456), (88, 20236832), (112, 15900368), (121, 14717696), (128, 13912822), (154, 11563904), (172, 10353728), (176, 10118416), (191, 9323776), (224, 7950184), (242, 7358848), (256, 6956411), (301, 5916416), (308, 5781952), (344, 5176864), (352, 5059208), (382, 4661888), (448, 3975092), (473, 3764992), (484, 3679424), (602, 2958208), (616, 2890976), (688, 2588432), (704, 2529604), (764, 2330944), (847, 2102528), (896, 1987546), (946, 1882496), (968, 1839712), (1204, 1479104), (1232, 1445488), (1337, 1331968), (1376, 1294216), (1408, 1264802), (1528, 1165472), (1694, 1051264), (1792, 993773), (1892, 941248), (1936, 919856), (2101, 847616), (2408, 739552), (2464, 722744), (2674, 665984), (2752, 647108), (2816, 632401), (3056, 582736), (3311, 537856), (3388, 525632), (3784, 470624), (3872, 459928), (4202, 423808), (4816, 369776), (4928, 361372), (5203, 342272), (5348, 332992), (5504, 323554), (6112, 291368), (6622, 268928), (6776, 262816), (7568, 235312), (7744, 229964), (8213, 216832), (8404, 211904), (9632, 184888), (9856, 180686), (10406, 171136), (10696, 166496), (11008, 161777), (12224, 145684), (13244, 134464), (13552, 131408), (14707, 121088), (15136, 117656), (15488, 114982), (16426, 108416), (16808, 105952), (19264, 92444), (19712, 90343), (20812, 85568), (21392, 83248), (23111, 77056), (24448, 72842), (26488, 67232), (27104, 65704), (29414, 60544), (30272, 58828), (30976, 57491), (32852, 54208), (33616, 52976), (36421, 48896), (38528, 46222), (41624, 42784)]