81116928

素因数分解:

$2^8\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 216

約数和(自身を含む): 263062800

約数和(自身を除く): 181945872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 64, 68, 72, 76, 96, 102, 109, 114, 128, 136, 144, 152, 153, 171, 192, 204, 218, 228, 256, 272, 288, 304, 306, 323, 327, 342, 384, 408, 436, 456, 544, 576, 608, 612, 646, 654, 684, 768, 816, 872, 912, 969, 981, 1088, 1152, 1216, 1224, 1292, 1308, 1368, 1632, 1744, 1824, 1853, 1938, 1962, 2071, 2176, 2304, 2432, 2448, 2584, 2616, 2736, 2907, 3264, 3488, 3648, 3706, 3876, 3924, 4142, 4352, 4864, 4896, 5168, 5232, 5472, 5559, 5814, 6213, 6528, 6976, 7296, 7412, 7752, 7848, 8284, 9792, 10336, 10464, 10944, 11118, 11628, 12426, 13056, 13952, 14592, 14824, 15504, 15696, 16568, 16677, 18639, 19584, 20672, 20928, 21888, 22236, 23256, 24852, 27904, 29648, 31008, 31392, 33136, 33354, 35207, 37278, 39168, 41344, 41856, 43776, 44472, 46512, 49704, 59296, 62016, 62784, 66272, 66708, 70414, 74556, 82688, 83712, 88944, 93024, 99408, 105621, 118592, 124032, 125568, 132544, 133416, 140828, 149112, 177888, 186048, 198816, 211242, 237184, 248064, 251136, 265088, 266832, 281656, 298224, 316863, 355776, 372096, 397632, 422484, 474368, 530176, 533664, 563312, 596448, 633726, 711552, 744192, 795264, 844968, 1067328, 1126624, 1192896, 1267452, 1423104, 1590528, 1689936, 2134656, 2253248, 2385792, 2534904, 3379872, 4269312, 4506496, 4771584, 5069808, 6759744, 9012992, 10139616, 13519488, 20279232, 27038976, 40558464, 81116928]

約数ペア:

[(1, 81116928), (2, 40558464), (3, 27038976), (4, 20279232), (6, 13519488), (8, 10139616), (9, 9012992), (12, 6759744), (16, 5069808), (17, 4771584), (18, 4506496), (19, 4269312), (24, 3379872), (32, 2534904), (34, 2385792), (36, 2253248), (38, 2134656), (48, 1689936), (51, 1590528), (57, 1423104), (64, 1267452), (68, 1192896), (72, 1126624), (76, 1067328), (96, 844968), (102, 795264), (109, 744192), (114, 711552), (128, 633726), (136, 596448), (144, 563312), (152, 533664), (153, 530176), (171, 474368), (192, 422484), (204, 397632), (218, 372096), (228, 355776), (256, 316863), (272, 298224), (288, 281656), (304, 266832), (306, 265088), (323, 251136), (327, 248064), (342, 237184), (384, 211242), (408, 198816), (436, 186048), (456, 177888), (544, 149112), (576, 140828), (608, 133416), (612, 132544), (646, 125568), (654, 124032), (684, 118592), (768, 105621), (816, 99408), (872, 93024), (912, 88944), (969, 83712), (981, 82688), (1088, 74556), (1152, 70414), (1216, 66708), (1224, 66272), (1292, 62784), (1308, 62016), (1368, 59296), (1632, 49704), (1744, 46512), (1824, 44472), (1853, 43776), (1938, 41856), (1962, 41344), (2071, 39168), (2176, 37278), (2304, 35207), (2432, 33354), (2448, 33136), (2584, 31392), (2616, 31008), (2736, 29648), (2907, 27904), (3264, 24852), (3488, 23256), (3648, 22236), (3706, 21888), (3876, 20928), (3924, 20672), (4142, 19584), (4352, 18639), (4864, 16677), (4896, 16568), (5168, 15696), (5232, 15504), (5472, 14824), (5559, 14592), (5814, 13952), (6213, 13056), (6528, 12426), (6976, 11628), (7296, 11118), (7412, 10944), (7752, 10464), (7848, 10336), (8284, 9792)]