181379968

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 463957200

約数和(自身を除く): 282577232

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 121, 128, 154, 176, 196, 224, 239, 242, 308, 352, 392, 448, 478, 484, 539, 616, 704, 784, 847, 896, 956, 968, 1078, 1232, 1408, 1568, 1673, 1694, 1912, 1936, 2156, 2464, 2629, 3136, 3346, 3388, 3824, 3872, 4312, 4928, 5258, 5929, 6272, 6692, 6776, 7648, 7744, 8624, 9856, 10516, 11711, 11858, 13384, 13552, 15296, 15488, 17248, 18403, 21032, 23422, 23716, 26768, 27104, 28919, 30592, 34496, 36806, 42064, 46844, 47432, 53536, 54208, 57838, 68992, 73612, 84128, 93688, 94864, 107072, 108416, 115676, 128821, 147224, 168256, 187376, 189728, 202433, 214144, 231352, 257642, 294448, 336512, 374752, 379456, 404866, 462704, 515284, 588896, 749504, 758912, 809732, 925408, 1030568, 1177792, 1417031, 1499008, 1619464, 1850816, 2061136, 2355584, 2834062, 3238928, 3701632, 4122272, 5668124, 6477856, 8244544, 11336248, 12955712, 16489088, 22672496, 25911424, 45344992, 90689984, 181379968]

約数ペア:

[(1, 181379968), (2, 90689984), (4, 45344992), (7, 25911424), (8, 22672496), (11, 16489088), (14, 12955712), (16, 11336248), (22, 8244544), (28, 6477856), (32, 5668124), (44, 4122272), (49, 3701632), (56, 3238928), (64, 2834062), (77, 2355584), (88, 2061136), (98, 1850816), (112, 1619464), (121, 1499008), (128, 1417031), (154, 1177792), (176, 1030568), (196, 925408), (224, 809732), (239, 758912), (242, 749504), (308, 588896), (352, 515284), (392, 462704), (448, 404866), (478, 379456), (484, 374752), (539, 336512), (616, 294448), (704, 257642), (784, 231352), (847, 214144), (896, 202433), (956, 189728), (968, 187376), (1078, 168256), (1232, 147224), (1408, 128821), (1568, 115676), (1673, 108416), (1694, 107072), (1912, 94864), (1936, 93688), (2156, 84128), (2464, 73612), (2629, 68992), (3136, 57838), (3346, 54208), (3388, 53536), (3824, 47432), (3872, 46844), (4312, 42064), (4928, 36806), (5258, 34496), (5929, 30592), (6272, 28919), (6692, 27104), (6776, 26768), (7648, 23716), (7744, 23422), (8624, 21032), (9856, 18403), (10516, 17248), (11711, 15488), (11858, 15296), (13384, 13552)]