81405792

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1325

約数の個数: 144

約数和(自身を含む): 264176640

約数和(自身を除く): 182770848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 288, 306, 312, 408, 416, 442, 468, 544, 612, 624, 663, 816, 884, 936, 1224, 1248, 1279, 1326, 1632, 1768, 1872, 1989, 2448, 2558, 2652, 3536, 3744, 3837, 3978, 4896, 5116, 5304, 7072, 7674, 7956, 10232, 10608, 11511, 15348, 15912, 16627, 20464, 21216, 21743, 23022, 30696, 31824, 33254, 40928, 43486, 46044, 49881, 61392, 63648, 65229, 66508, 86972, 92088, 99762, 122784, 130458, 133016, 149643, 173944, 184176, 195687, 199524, 260916, 266032, 282659, 299286, 347888, 368352, 391374, 399048, 521832, 532064, 565318, 598572, 695776, 782748, 798096, 847977, 1043664, 1130636, 1197144, 1565496, 1596192, 1695954, 2087328, 2261272, 2394288, 2543931, 3130992, 3391908, 4522544, 4788576, 5087862, 6261984, 6783816, 9045088, 10175724, 13567632, 20351448, 27135264, 40702896, 81405792]

約数ペア:

[(1, 81405792), (2, 40702896), (3, 27135264), (4, 20351448), (6, 13567632), (8, 10175724), (9, 9045088), (12, 6783816), (13, 6261984), (16, 5087862), (17, 4788576), (18, 4522544), (24, 3391908), (26, 3130992), (32, 2543931), (34, 2394288), (36, 2261272), (39, 2087328), (48, 1695954), (51, 1596192), (52, 1565496), (68, 1197144), (72, 1130636), (78, 1043664), (96, 847977), (102, 798096), (104, 782748), (117, 695776), (136, 598572), (144, 565318), (153, 532064), (156, 521832), (204, 399048), (208, 391374), (221, 368352), (234, 347888), (272, 299286), (288, 282659), (306, 266032), (312, 260916), (408, 199524), (416, 195687), (442, 184176), (468, 173944), (544, 149643), (612, 133016), (624, 130458), (663, 122784), (816, 99762), (884, 92088), (936, 86972), (1224, 66508), (1248, 65229), (1279, 63648), (1326, 61392), (1632, 49881), (1768, 46044), (1872, 43486), (1989, 40928), (2448, 33254), (2558, 31824), (2652, 30696), (3536, 23022), (3744, 21743), (3837, 21216), (3978, 20464), (4896, 16627), (5116, 15912), (5304, 15348), (7072, 11511), (7674, 10608), (7956, 10232)]