81616752

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:340

約数の個数: 180

約数和(自身を含む): 272895480

約数和(自身を除く): 191278728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 49, 56, 63, 72, 84, 86, 98, 112, 126, 129, 144, 147, 168, 172, 196, 252, 258, 269, 294, 301, 336, 344, 387, 392, 441, 504, 516, 538, 588, 602, 688, 774, 784, 807, 882, 903, 1008, 1032, 1076, 1176, 1204, 1548, 1614, 1764, 1806, 1883, 2064, 2107, 2152, 2352, 2408, 2421, 2709, 3096, 3228, 3528, 3612, 3766, 4214, 4304, 4816, 4842, 5418, 5649, 6192, 6321, 6456, 7056, 7224, 7532, 8428, 9684, 10836, 11298, 11567, 12642, 12912, 13181, 14448, 15064, 16856, 16947, 18963, 19368, 21672, 22596, 23134, 25284, 26362, 30128, 33712, 33894, 34701, 37926, 38736, 39543, 43344, 45192, 46268, 50568, 52724, 67788, 69402, 75852, 79086, 80969, 90384, 92536, 101136, 104103, 105448, 118629, 135576, 138804, 151704, 158172, 161938, 185072, 208206, 210896, 237258, 242907, 271152, 277608, 303408, 316344, 323876, 416412, 474516, 485814, 555216, 566783, 632688, 647752, 728721, 832824, 949032, 971628, 1133566, 1295504, 1457442, 1665648, 1700349, 1898064, 1943256, 2267132, 2914884, 3400698, 3886512, 4534264, 5101047, 5829768, 6801396, 9068528, 10202094, 11659536, 13602792, 20404188, 27205584, 40808376, 81616752]

約数ペア:

[(1, 81616752), (2, 40808376), (3, 27205584), (4, 20404188), (6, 13602792), (7, 11659536), (8, 10202094), (9, 9068528), (12, 6801396), (14, 5829768), (16, 5101047), (18, 4534264), (21, 3886512), (24, 3400698), (28, 2914884), (36, 2267132), (42, 1943256), (43, 1898064), (48, 1700349), (49, 1665648), (56, 1457442), (63, 1295504), (72, 1133566), (84, 971628), (86, 949032), (98, 832824), (112, 728721), (126, 647752), (129, 632688), (144, 566783), (147, 555216), (168, 485814), (172, 474516), (196, 416412), (252, 323876), (258, 316344), (269, 303408), (294, 277608), (301, 271152), (336, 242907), (344, 237258), (387, 210896), (392, 208206), (441, 185072), (504, 161938), (516, 158172), (538, 151704), (588, 138804), (602, 135576), (688, 118629), (774, 105448), (784, 104103), (807, 101136), (882, 92536), (903, 90384), (1008, 80969), (1032, 79086), (1076, 75852), (1176, 69402), (1204, 67788), (1548, 52724), (1614, 50568), (1764, 46268), (1806, 45192), (1883, 43344), (2064, 39543), (2107, 38736), (2152, 37926), (2352, 34701), (2408, 33894), (2421, 33712), (2709, 30128), (3096, 26362), (3228, 25284), (3528, 23134), (3612, 22596), (3766, 21672), (4214, 19368), (4304, 18963), (4816, 16947), (4842, 16856), (5418, 15064), (5649, 14448), (6192, 13181), (6321, 12912), (6456, 12642), (7056, 11567), (7224, 11298), (7532, 10836), (8428, 9684)]