81351936

素因数分解:

$2^8\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 260193024

約数和(自身を除く): 178841088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 64, 67, 68, 72, 93, 96, 102, 124, 128, 134, 136, 144, 153, 186, 192, 201, 204, 248, 256, 268, 272, 279, 288, 306, 372, 384, 402, 408, 496, 527, 536, 544, 558, 576, 603, 612, 744, 768, 804, 816, 992, 1054, 1072, 1088, 1116, 1139, 1152, 1206, 1224, 1488, 1581, 1608, 1632, 1984, 2077, 2108, 2144, 2176, 2232, 2278, 2304, 2412, 2448, 2976, 3162, 3216, 3264, 3417, 3968, 4154, 4216, 4288, 4352, 4464, 4556, 4743, 4824, 4896, 5952, 6231, 6324, 6432, 6528, 6834, 7936, 8308, 8432, 8576, 8928, 9112, 9486, 9648, 9792, 10251, 11904, 12462, 12648, 12864, 13056, 13668, 16616, 16864, 17152, 17856, 18224, 18693, 18972, 19296, 19584, 20502, 23808, 24924, 25296, 25728, 27336, 33232, 33728, 35309, 35712, 36448, 37386, 37944, 38592, 39168, 41004, 49848, 50592, 51456, 54672, 66464, 67456, 70618, 71424, 72896, 74772, 75888, 77184, 82008, 99696, 101184, 105927, 109344, 132928, 134912, 141236, 145792, 149544, 151776, 154368, 164016, 199392, 202368, 211854, 218688, 265856, 282472, 291584, 299088, 303552, 317781, 328032, 398784, 404736, 423708, 437376, 531712, 564944, 598176, 607104, 635562, 656064, 797568, 847416, 874752, 1129888, 1196352, 1214208, 1271124, 1312128, 1595136, 1694832, 2259776, 2392704, 2542248, 2624256, 3389664, 4519552, 4785408, 5084496, 6779328, 9039104, 10168992, 13558656, 20337984, 27117312, 40675968, 81351936]

約数ペア:

[(1, 81351936), (2, 40675968), (3, 27117312), (4, 20337984), (6, 13558656), (8, 10168992), (9, 9039104), (12, 6779328), (16, 5084496), (17, 4785408), (18, 4519552), (24, 3389664), (31, 2624256), (32, 2542248), (34, 2392704), (36, 2259776), (48, 1694832), (51, 1595136), (62, 1312128), (64, 1271124), (67, 1214208), (68, 1196352), (72, 1129888), (93, 874752), (96, 847416), (102, 797568), (124, 656064), (128, 635562), (134, 607104), (136, 598176), (144, 564944), (153, 531712), (186, 437376), (192, 423708), (201, 404736), (204, 398784), (248, 328032), (256, 317781), (268, 303552), (272, 299088), (279, 291584), (288, 282472), (306, 265856), (372, 218688), (384, 211854), (402, 202368), (408, 199392), (496, 164016), (527, 154368), (536, 151776), (544, 149544), (558, 145792), (576, 141236), (603, 134912), (612, 132928), (744, 109344), (768, 105927), (804, 101184), (816, 99696), (992, 82008), (1054, 77184), (1072, 75888), (1088, 74772), (1116, 72896), (1139, 71424), (1152, 70618), (1206, 67456), (1224, 66464), (1488, 54672), (1581, 51456), (1608, 50592), (1632, 49848), (1984, 41004), (2077, 39168), (2108, 38592), (2144, 37944), (2176, 37386), (2232, 36448), (2278, 35712), (2304, 35309), (2412, 33728), (2448, 33232), (2976, 27336), (3162, 25728), (3216, 25296), (3264, 24924), (3417, 23808), (3968, 20502), (4154, 19584), (4216, 19296), (4288, 18972), (4352, 18693), (4464, 18224), (4556, 17856), (4743, 17152), (4824, 16864), (4896, 16616), (5952, 13668), (6231, 13056), (6324, 12864), (6432, 12648), (6528, 12462), (6834, 11904), (7936, 10251), (8308, 9792), (8432, 9648), (8576, 9486), (8928, 9112)]