81284208

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 239127552

約数和(自身を除く): 157843344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 61, 68, 69, 71, 92, 102, 122, 136, 138, 142, 183, 184, 204, 213, 244, 272, 276, 284, 366, 368, 391, 408, 426, 488, 552, 568, 732, 782, 816, 852, 976, 1037, 1104, 1136, 1173, 1207, 1403, 1464, 1564, 1633, 1704, 2074, 2346, 2414, 2806, 2928, 3111, 3128, 3266, 3408, 3621, 4148, 4209, 4331, 4692, 4828, 4899, 5612, 6222, 6256, 6532, 7242, 8296, 8418, 8662, 9384, 9656, 9798, 11224, 12444, 12993, 13064, 14484, 16592, 16836, 17324, 18768, 19312, 19596, 22448, 23851, 24888, 25986, 26128, 27761, 28968, 33672, 34648, 39192, 47702, 49776, 51972, 55522, 57936, 67344, 69296, 71553, 73627, 78384, 83283, 95404, 99613, 103944, 111044, 143106, 147254, 166566, 190808, 199226, 207888, 220881, 222088, 286212, 294508, 298839, 333132, 381616, 398452, 441762, 444176, 572424, 589016, 597678, 666264, 796904, 883524, 1144848, 1178032, 1195356, 1332528, 1593808, 1693421, 1767048, 2390712, 3386842, 3534096, 4781424, 5080263, 6773684, 10160526, 13547368, 20321052, 27094736, 40642104, 81284208]

約数ペア:

[(1, 81284208), (2, 40642104), (3, 27094736), (4, 20321052), (6, 13547368), (8, 10160526), (12, 6773684), (16, 5080263), (17, 4781424), (23, 3534096), (24, 3386842), (34, 2390712), (46, 1767048), (48, 1693421), (51, 1593808), (61, 1332528), (68, 1195356), (69, 1178032), (71, 1144848), (92, 883524), (102, 796904), (122, 666264), (136, 597678), (138, 589016), (142, 572424), (183, 444176), (184, 441762), (204, 398452), (213, 381616), (244, 333132), (272, 298839), (276, 294508), (284, 286212), (366, 222088), (368, 220881), (391, 207888), (408, 199226), (426, 190808), (488, 166566), (552, 147254), (568, 143106), (732, 111044), (782, 103944), (816, 99613), (852, 95404), (976, 83283), (1037, 78384), (1104, 73627), (1136, 71553), (1173, 69296), (1207, 67344), (1403, 57936), (1464, 55522), (1564, 51972), (1633, 49776), (1704, 47702), (2074, 39192), (2346, 34648), (2414, 33672), (2806, 28968), (2928, 27761), (3111, 26128), (3128, 25986), (3266, 24888), (3408, 23851), (3621, 22448), (4148, 19596), (4209, 19312), (4331, 18768), (4692, 17324), (4828, 16836), (4899, 16592), (5612, 14484), (6222, 13064), (6256, 12993), (6532, 12444), (7242, 11224), (8296, 9798), (8418, 9656), (8662, 9384)]