81533712

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:102

約数の個数: 180

約数和(自身を含む): 250973520

約数和(自身を除く): 169439808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 23, 24, 26, 38, 39, 46, 48, 52, 57, 69, 76, 78, 92, 104, 114, 138, 152, 156, 169, 184, 208, 228, 247, 276, 299, 304, 312, 338, 368, 437, 456, 494, 507, 529, 552, 598, 624, 676, 741, 874, 897, 912, 988, 1014, 1058, 1104, 1196, 1311, 1352, 1482, 1587, 1748, 1794, 1976, 2028, 2116, 2392, 2622, 2704, 2964, 3174, 3211, 3496, 3588, 3887, 3952, 4056, 4232, 4784, 5244, 5681, 5928, 6348, 6422, 6877, 6992, 7176, 7774, 8112, 8464, 9633, 10051, 10488, 11362, 11661, 11856, 12696, 12844, 13754, 14352, 15548, 17043, 19266, 20102, 20631, 20976, 22724, 23322, 25392, 25688, 27508, 30153, 31096, 34086, 38532, 40204, 41262, 45448, 46644, 51376, 55016, 60306, 62192, 68172, 73853, 77064, 80408, 82524, 89401, 90896, 93288, 110032, 120612, 130663, 136344, 147706, 154128, 160816, 165048, 178802, 186576, 221559, 241224, 261326, 268203, 272688, 295412, 330096, 357604, 391989, 443118, 482448, 522652, 536406, 590824, 715208, 783978, 886236, 1045304, 1072812, 1181648, 1430416, 1567956, 1698619, 1772472, 2090608, 2145624, 3135912, 3397238, 3544944, 4291248, 5095857, 6271824, 6794476, 10191714, 13588952, 20383428, 27177904, 40766856, 81533712]

約数ペア:

[(1, 81533712), (2, 40766856), (3, 27177904), (4, 20383428), (6, 13588952), (8, 10191714), (12, 6794476), (13, 6271824), (16, 5095857), (19, 4291248), (23, 3544944), (24, 3397238), (26, 3135912), (38, 2145624), (39, 2090608), (46, 1772472), (48, 1698619), (52, 1567956), (57, 1430416), (69, 1181648), (76, 1072812), (78, 1045304), (92, 886236), (104, 783978), (114, 715208), (138, 590824), (152, 536406), (156, 522652), (169, 482448), (184, 443118), (208, 391989), (228, 357604), (247, 330096), (276, 295412), (299, 272688), (304, 268203), (312, 261326), (338, 241224), (368, 221559), (437, 186576), (456, 178802), (494, 165048), (507, 160816), (529, 154128), (552, 147706), (598, 136344), (624, 130663), (676, 120612), (741, 110032), (874, 93288), (897, 90896), (912, 89401), (988, 82524), (1014, 80408), (1058, 77064), (1104, 73853), (1196, 68172), (1311, 62192), (1352, 60306), (1482, 55016), (1587, 51376), (1748, 46644), (1794, 45448), (1976, 41262), (2028, 40204), (2116, 38532), (2392, 34086), (2622, 31096), (2704, 30153), (2964, 27508), (3174, 25688), (3211, 25392), (3496, 23322), (3588, 22724), (3887, 20976), (3952, 20631), (4056, 20102), (4232, 19266), (4784, 17043), (5244, 15548), (5681, 14352), (5928, 13754), (6348, 12844), (6422, 12696), (6877, 11856), (6992, 11661), (7176, 11362), (7774, 10488), (8112, 10051), (8464, 9633)]