30871456

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 82047168

約数和(自身を除く): 51175712

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 67, 68, 77, 88, 112, 119, 121, 134, 136, 154, 176, 187, 224, 238, 242, 268, 272, 308, 352, 374, 469, 476, 484, 536, 544, 616, 737, 748, 847, 938, 952, 968, 1072, 1139, 1232, 1309, 1474, 1496, 1694, 1876, 1904, 1936, 2057, 2144, 2278, 2464, 2618, 2948, 2992, 3388, 3752, 3808, 3872, 4114, 4556, 5159, 5236, 5896, 5984, 6776, 7504, 7973, 8107, 8228, 9112, 10318, 10472, 11792, 12529, 13552, 14399, 15008, 15946, 16214, 16456, 18224, 20636, 20944, 23584, 25058, 27104, 28798, 31892, 32428, 32912, 36448, 41272, 41888, 50116, 56749, 57596, 63784, 64856, 65824, 82544, 87703, 100232, 113498, 115192, 127568, 129712, 137819, 165088, 175406, 200464, 226996, 230384, 255136, 259424, 275638, 350812, 400928, 453992, 460768, 551276, 701624, 907984, 964733, 1102552, 1403248, 1815968, 1929466, 2205104, 2806496, 3858932, 4410208, 7717864, 15435728, 30871456]

約数ペア:

[(1, 30871456), (2, 15435728), (4, 7717864), (7, 4410208), (8, 3858932), (11, 2806496), (14, 2205104), (16, 1929466), (17, 1815968), (22, 1403248), (28, 1102552), (32, 964733), (34, 907984), (44, 701624), (56, 551276), (67, 460768), (68, 453992), (77, 400928), (88, 350812), (112, 275638), (119, 259424), (121, 255136), (134, 230384), (136, 226996), (154, 200464), (176, 175406), (187, 165088), (224, 137819), (238, 129712), (242, 127568), (268, 115192), (272, 113498), (308, 100232), (352, 87703), (374, 82544), (469, 65824), (476, 64856), (484, 63784), (536, 57596), (544, 56749), (616, 50116), (737, 41888), (748, 41272), (847, 36448), (938, 32912), (952, 32428), (968, 31892), (1072, 28798), (1139, 27104), (1232, 25058), (1309, 23584), (1474, 20944), (1496, 20636), (1694, 18224), (1876, 16456), (1904, 16214), (1936, 15946), (2057, 15008), (2144, 14399), (2278, 13552), (2464, 12529), (2618, 11792), (2948, 10472), (2992, 10318), (3388, 9112), (3752, 8228), (3808, 8107), (3872, 7973), (4114, 7504), (4556, 6776), (5159, 5984), (5236, 5896)]