81122272

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 208335456

約数和(自身を除く): 127213184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 56, 73, 77, 82, 88, 112, 121, 146, 154, 164, 176, 224, 242, 287, 292, 308, 328, 352, 451, 484, 511, 574, 584, 616, 656, 803, 847, 902, 968, 1022, 1148, 1168, 1232, 1312, 1606, 1694, 1804, 1936, 2044, 2296, 2336, 2464, 2993, 3157, 3212, 3388, 3608, 3872, 4088, 4592, 4961, 5621, 5986, 6314, 6424, 6776, 7216, 8176, 8833, 9184, 9922, 11242, 11972, 12628, 12848, 13552, 14432, 16352, 17666, 19844, 20951, 22484, 23944, 25256, 25696, 27104, 32923, 34727, 35332, 39688, 41902, 44968, 47888, 50512, 61831, 65846, 69454, 70664, 79376, 83804, 89936, 95776, 101024, 123662, 131692, 138908, 141328, 158752, 167608, 179872, 230461, 247324, 263384, 277816, 282656, 335216, 362153, 460922, 494648, 526768, 555632, 670432, 724306, 921844, 989296, 1053536, 1111264, 1448612, 1843688, 1978592, 2535071, 2897224, 3687376, 5070142, 5794448, 7374752, 10140284, 11588896, 20280568, 40561136, 81122272]

約数ペア:

[(1, 81122272), (2, 40561136), (4, 20280568), (7, 11588896), (8, 10140284), (11, 7374752), (14, 5794448), (16, 5070142), (22, 3687376), (28, 2897224), (32, 2535071), (41, 1978592), (44, 1843688), (56, 1448612), (73, 1111264), (77, 1053536), (82, 989296), (88, 921844), (112, 724306), (121, 670432), (146, 555632), (154, 526768), (164, 494648), (176, 460922), (224, 362153), (242, 335216), (287, 282656), (292, 277816), (308, 263384), (328, 247324), (352, 230461), (451, 179872), (484, 167608), (511, 158752), (574, 141328), (584, 138908), (616, 131692), (656, 123662), (803, 101024), (847, 95776), (902, 89936), (968, 83804), (1022, 79376), (1148, 70664), (1168, 69454), (1232, 65846), (1312, 61831), (1606, 50512), (1694, 47888), (1804, 44968), (1936, 41902), (2044, 39688), (2296, 35332), (2336, 34727), (2464, 32923), (2993, 27104), (3157, 25696), (3212, 25256), (3388, 23944), (3608, 22484), (3872, 20951), (4088, 19844), (4592, 17666), (4961, 16352), (5621, 14432), (5986, 13552), (6314, 12848), (6424, 12628), (6776, 11972), (7216, 11242), (8176, 9922), (8833, 9184)]