81001872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 285517440

約数和(自身を除く): 204515568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 29, 34, 36, 42, 48, 51, 56, 58, 63, 68, 72, 84, 87, 102, 112, 116, 119, 126, 136, 144, 153, 163, 168, 174, 203, 204, 232, 238, 252, 261, 272, 306, 326, 336, 348, 357, 406, 408, 464, 476, 489, 493, 504, 522, 609, 612, 652, 696, 714, 812, 816, 952, 978, 986, 1008, 1044, 1071, 1141, 1218, 1224, 1304, 1392, 1428, 1467, 1479, 1624, 1827, 1904, 1956, 1972, 2088, 2142, 2282, 2436, 2448, 2608, 2771, 2856, 2934, 2958, 3248, 3423, 3451, 3654, 3912, 3944, 4176, 4284, 4437, 4564, 4727, 4872, 5542, 5712, 5868, 5916, 6846, 6902, 7308, 7824, 7888, 8313, 8568, 8874, 9128, 9454, 9744, 10269, 10353, 11084, 11736, 11832, 13692, 13804, 14181, 14616, 16626, 17136, 17748, 18256, 18908, 19397, 20538, 20706, 22168, 23472, 23664, 24939, 27384, 27608, 28362, 29232, 31059, 33089, 33252, 35496, 37816, 38794, 41076, 41412, 42543, 44336, 49878, 54768, 55216, 56724, 58191, 62118, 66178, 66504, 70992, 75632, 77588, 80359, 82152, 82824, 85086, 99267, 99756, 113448, 116382, 124236, 132356, 133008, 155176, 160718, 164304, 165648, 170172, 174573, 198534, 199512, 226896, 232764, 241077, 248472, 264712, 297801, 310352, 321436, 340344, 349146, 397068, 399024, 465528, 482154, 496944, 529424, 562513, 595602, 642872, 680688, 698292, 723231, 794136, 931056, 964308, 1125026, 1191204, 1285744, 1396584, 1446462, 1588272, 1687539, 1928616, 2250052, 2382408, 2793168, 2892924, 3375078, 3857232, 4500104, 4764816, 5062617, 5785848, 6750156, 9000208, 10125234, 11571696, 13500312, 20250468, 27000624, 40500936, 81001872]

約数ペア:

[(1, 81001872), (2, 40500936), (3, 27000624), (4, 20250468), (6, 13500312), (7, 11571696), (8, 10125234), (9, 9000208), (12, 6750156), (14, 5785848), (16, 5062617), (17, 4764816), (18, 4500104), (21, 3857232), (24, 3375078), (28, 2892924), (29, 2793168), (34, 2382408), (36, 2250052), (42, 1928616), (48, 1687539), (51, 1588272), (56, 1446462), (58, 1396584), (63, 1285744), (68, 1191204), (72, 1125026), (84, 964308), (87, 931056), (102, 794136), (112, 723231), (116, 698292), (119, 680688), (126, 642872), (136, 595602), (144, 562513), (153, 529424), (163, 496944), (168, 482154), (174, 465528), (203, 399024), (204, 397068), (232, 349146), (238, 340344), (252, 321436), (261, 310352), (272, 297801), (306, 264712), (326, 248472), (336, 241077), (348, 232764), (357, 226896), (406, 199512), (408, 198534), (464, 174573), (476, 170172), (489, 165648), (493, 164304), (504, 160718), (522, 155176), (609, 133008), (612, 132356), (652, 124236), (696, 116382), (714, 113448), (812, 99756), (816, 99267), (952, 85086), (978, 82824), (986, 82152), (1008, 80359), (1044, 77588), (1071, 75632), (1141, 70992), (1218, 66504), (1224, 66178), (1304, 62118), (1392, 58191), (1428, 56724), (1467, 55216), (1479, 54768), (1624, 49878), (1827, 44336), (1904, 42543), (1956, 41412), (1972, 41076), (2088, 38794), (2142, 37816), (2282, 35496), (2436, 33252), (2448, 33089), (2608, 31059), (2771, 29232), (2856, 28362), (2934, 27608), (2958, 27384), (3248, 24939), (3423, 23664), (3451, 23472), (3654, 22168), (3912, 20706), (3944, 20538), (4176, 19397), (4284, 18908), (4437, 18256), (4564, 17748), (4727, 17136), (4872, 16626), (5542, 14616), (5712, 14181), (5868, 13804), (5916, 13692), (6846, 11832), (6902, 11736), (7308, 11084), (7824, 10353), (7888, 10269), (8313, 9744), (8568, 9454), (8874, 9128)]