81574272

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 144

約数和(自身を含む): 254790900

約数和(自身を除く): 173216628

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 288, 312, 338, 384, 416, 419, 468, 507, 576, 624, 676, 832, 838, 936, 1014, 1152, 1248, 1257, 1352, 1521, 1664, 1676, 1872, 2028, 2496, 2514, 2704, 3042, 3352, 3744, 3771, 4056, 4992, 5028, 5408, 5447, 6084, 6704, 7488, 7542, 8112, 10056, 10816, 10894, 12168, 13408, 14976, 15084, 16224, 16341, 20112, 21632, 21788, 24336, 26816, 30168, 32448, 32682, 40224, 43576, 48672, 49023, 53632, 60336, 64896, 65364, 70811, 80448, 87152, 97344, 98046, 120672, 130728, 141622, 160896, 174304, 194688, 196092, 212433, 241344, 261456, 283244, 348608, 392184, 424866, 482688, 522912, 566488, 637299, 697216, 784368, 849732, 1045824, 1132976, 1274598, 1568736, 1699464, 2091648, 2265952, 2549196, 3137472, 3398928, 4531904, 5098392, 6274944, 6797856, 9063808, 10196784, 13595712, 20393568, 27191424, 40787136, 81574272]

約数ペア:

[(1, 81574272), (2, 40787136), (3, 27191424), (4, 20393568), (6, 13595712), (8, 10196784), (9, 9063808), (12, 6797856), (13, 6274944), (16, 5098392), (18, 4531904), (24, 3398928), (26, 3137472), (32, 2549196), (36, 2265952), (39, 2091648), (48, 1699464), (52, 1568736), (64, 1274598), (72, 1132976), (78, 1045824), (96, 849732), (104, 784368), (117, 697216), (128, 637299), (144, 566488), (156, 522912), (169, 482688), (192, 424866), (208, 392184), (234, 348608), (288, 283244), (312, 261456), (338, 241344), (384, 212433), (416, 196092), (419, 194688), (468, 174304), (507, 160896), (576, 141622), (624, 130728), (676, 120672), (832, 98046), (838, 97344), (936, 87152), (1014, 80448), (1152, 70811), (1248, 65364), (1257, 64896), (1352, 60336), (1521, 53632), (1664, 49023), (1676, 48672), (1872, 43576), (2028, 40224), (2496, 32682), (2514, 32448), (2704, 30168), (3042, 26816), (3352, 24336), (3744, 21788), (3771, 21632), (4056, 20112), (4992, 16341), (5028, 16224), (5408, 15084), (5447, 14976), (6084, 13408), (6704, 12168), (7488, 10894), (7542, 10816), (8112, 10056)]