81959328

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 260874432

約数和(自身を除く): 178915104

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 41, 44, 48, 66, 72, 82, 88, 96, 99, 123, 132, 144, 164, 176, 198, 246, 264, 288, 328, 352, 369, 396, 451, 492, 528, 631, 656, 738, 792, 902, 984, 1056, 1262, 1312, 1353, 1476, 1584, 1804, 1893, 1968, 2524, 2706, 2952, 3168, 3608, 3786, 3936, 4059, 5048, 5412, 5679, 5904, 6941, 7216, 7572, 8118, 10096, 10824, 11358, 11808, 13882, 14432, 15144, 16236, 20192, 20823, 21648, 22716, 25871, 27764, 30288, 32472, 41646, 43296, 45432, 51742, 55528, 60576, 62469, 64944, 77613, 83292, 90864, 103484, 111056, 124938, 129888, 155226, 166584, 181728, 206968, 222112, 232839, 249876, 284581, 310452, 333168, 413936, 465678, 499752, 569162, 620904, 666336, 827872, 853743, 931356, 999504, 1138324, 1241808, 1707486, 1862712, 1999008, 2276648, 2483616, 2561229, 3414972, 3725424, 4553296, 5122458, 6829944, 7450848, 9106592, 10244916, 13659888, 20489832, 27319776, 40979664, 81959328]

約数ペア:

[(1, 81959328), (2, 40979664), (3, 27319776), (4, 20489832), (6, 13659888), (8, 10244916), (9, 9106592), (11, 7450848), (12, 6829944), (16, 5122458), (18, 4553296), (22, 3725424), (24, 3414972), (32, 2561229), (33, 2483616), (36, 2276648), (41, 1999008), (44, 1862712), (48, 1707486), (66, 1241808), (72, 1138324), (82, 999504), (88, 931356), (96, 853743), (99, 827872), (123, 666336), (132, 620904), (144, 569162), (164, 499752), (176, 465678), (198, 413936), (246, 333168), (264, 310452), (288, 284581), (328, 249876), (352, 232839), (369, 222112), (396, 206968), (451, 181728), (492, 166584), (528, 155226), (631, 129888), (656, 124938), (738, 111056), (792, 103484), (902, 90864), (984, 83292), (1056, 77613), (1262, 64944), (1312, 62469), (1353, 60576), (1476, 55528), (1584, 51742), (1804, 45432), (1893, 43296), (1968, 41646), (2524, 32472), (2706, 30288), (2952, 27764), (3168, 25871), (3608, 22716), (3786, 21648), (3936, 20823), (4059, 20192), (5048, 16236), (5412, 15144), (5679, 14432), (5904, 13882), (6941, 11808), (7216, 11358), (7572, 10824), (8118, 10096)]