81813888

素因数分解:

$2^7\times 3^4\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:646

約数の個数: 160

約数和(自身を含む): 262637760

約数和(自身を除く): 180823872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 384, 416, 432, 468, 576, 607, 624, 648, 702, 832, 864, 936, 1053, 1152, 1214, 1248, 1296, 1404, 1664, 1728, 1821, 1872, 2106, 2428, 2496, 2592, 2808, 3456, 3642, 3744, 4212, 4856, 4992, 5184, 5463, 5616, 7284, 7488, 7891, 8424, 9712, 10368, 10926, 11232, 14568, 14976, 15782, 16389, 16848, 19424, 21852, 22464, 23673, 29136, 31564, 32778, 33696, 38848, 43704, 44928, 47346, 49167, 58272, 63128, 65556, 67392, 71019, 77696, 87408, 94692, 98334, 116544, 126256, 131112, 134784, 142038, 174816, 189384, 196668, 213057, 233088, 252512, 262224, 284076, 349632, 378768, 393336, 426114, 505024, 524448, 568152, 639171, 699264, 757536, 786672, 852228, 1010048, 1048896, 1136304, 1278342, 1515072, 1573344, 1704456, 2097792, 2272608, 2556684, 3030144, 3146688, 3408912, 4545216, 5113368, 6293376, 6817824, 9090432, 10226736, 13635648, 20453472, 27271296, 40906944, 81813888]

約数ペア:

[(1, 81813888), (2, 40906944), (3, 27271296), (4, 20453472), (6, 13635648), (8, 10226736), (9, 9090432), (12, 6817824), (13, 6293376), (16, 5113368), (18, 4545216), (24, 3408912), (26, 3146688), (27, 3030144), (32, 2556684), (36, 2272608), (39, 2097792), (48, 1704456), (52, 1573344), (54, 1515072), (64, 1278342), (72, 1136304), (78, 1048896), (81, 1010048), (96, 852228), (104, 786672), (108, 757536), (117, 699264), (128, 639171), (144, 568152), (156, 524448), (162, 505024), (192, 426114), (208, 393336), (216, 378768), (234, 349632), (288, 284076), (312, 262224), (324, 252512), (351, 233088), (384, 213057), (416, 196668), (432, 189384), (468, 174816), (576, 142038), (607, 134784), (624, 131112), (648, 126256), (702, 116544), (832, 98334), (864, 94692), (936, 87408), (1053, 77696), (1152, 71019), (1214, 67392), (1248, 65556), (1296, 63128), (1404, 58272), (1664, 49167), (1728, 47346), (1821, 44928), (1872, 43704), (2106, 38848), (2428, 33696), (2496, 32778), (2592, 31564), (2808, 29136), (3456, 23673), (3642, 22464), (3744, 21852), (4212, 19424), (4856, 16848), (4992, 16389), (5184, 15782), (5463, 14976), (5616, 14568), (7284, 11232), (7488, 10926), (7891, 10368), (8424, 9712)]