81281088

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1105

約数の個数: 168

約数和(自身を含む): 280537920

約数和(自身を除く): 199256832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 192, 224, 228, 252, 266, 288, 304, 336, 342, 399, 448, 456, 504, 532, 576, 608, 672, 684, 798, 912, 1008, 1061, 1064, 1197, 1216, 1344, 1368, 1596, 1824, 2016, 2122, 2128, 2394, 2736, 3183, 3192, 3648, 4032, 4244, 4256, 4788, 5472, 6366, 6384, 7427, 8488, 8512, 9549, 9576, 10944, 12732, 12768, 14854, 16976, 19098, 19152, 20159, 22281, 25464, 25536, 29708, 33952, 38196, 38304, 40318, 44562, 50928, 59416, 60477, 66843, 67904, 76392, 76608, 80636, 89124, 101856, 118832, 120954, 133686, 141113, 152784, 161272, 178248, 181431, 203712, 237664, 241908, 267372, 282226, 305568, 322544, 356496, 362862, 423339, 475328, 483816, 534744, 564452, 611136, 645088, 712992, 725724, 846678, 967632, 1069488, 1128904, 1270017, 1290176, 1425984, 1451448, 1693356, 1935264, 2138976, 2257808, 2540034, 2902896, 3386712, 3870528, 4277952, 4515616, 5080068, 5805792, 6773424, 9031232, 10160136, 11611584, 13546848, 20320272, 27093696, 40640544, 81281088]

約数ペア:

[(1, 81281088), (2, 40640544), (3, 27093696), (4, 20320272), (6, 13546848), (7, 11611584), (8, 10160136), (9, 9031232), (12, 6773424), (14, 5805792), (16, 5080068), (18, 4515616), (19, 4277952), (21, 3870528), (24, 3386712), (28, 2902896), (32, 2540034), (36, 2257808), (38, 2138976), (42, 1935264), (48, 1693356), (56, 1451448), (57, 1425984), (63, 1290176), (64, 1270017), (72, 1128904), (76, 1069488), (84, 967632), (96, 846678), (112, 725724), (114, 712992), (126, 645088), (133, 611136), (144, 564452), (152, 534744), (168, 483816), (171, 475328), (192, 423339), (224, 362862), (228, 356496), (252, 322544), (266, 305568), (288, 282226), (304, 267372), (336, 241908), (342, 237664), (399, 203712), (448, 181431), (456, 178248), (504, 161272), (532, 152784), (576, 141113), (608, 133686), (672, 120954), (684, 118832), (798, 101856), (912, 89124), (1008, 80636), (1061, 76608), (1064, 76392), (1197, 67904), (1216, 66843), (1344, 60477), (1368, 59416), (1596, 50928), (1824, 44562), (2016, 40318), (2122, 38304), (2128, 38196), (2394, 33952), (2736, 29708), (3183, 25536), (3192, 25464), (3648, 22281), (4032, 20159), (4244, 19152), (4256, 19098), (4788, 16976), (5472, 14854), (6366, 12768), (6384, 12732), (7427, 10944), (8488, 9576), (8512, 9549)]