81046686976

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{1297}}^1$

素因数の和:1804

約数の個数: 144

約数和(自身を含む): 176697259200

約数和(自身を除く): 95650572224

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 304, 443, 464, 551, 608, 886, 928, 1102, 1216, 1297, 1772, 1856, 2204, 2432, 2594, 3544, 3712, 4408, 4864, 5188, 7088, 7424, 8417, 8816, 10376, 12847, 14176, 16834, 17632, 20752, 24643, 25694, 28352, 33668, 35264, 37613, 41504, 49286, 51388, 56704, 67336, 70528, 75226, 83008, 98572, 102776, 113408, 134672, 141056, 150452, 166016, 197144, 205552, 244093, 269344, 300904, 332032, 394288, 411104, 488186, 538688, 574571, 601808, 714647, 788576, 822208, 976372, 1077376, 1149142, 1203616, 1429294, 1577152, 1644416, 1952744, 2154752, 2298284, 2407232, 2858588, 3154304, 3288832, 3905488, 4596568, 4814464, 5717176, 6308608, 7810976, 9193136, 9628928, 10916849, 11434352, 15621952, 16662559, 18386272, 21833698, 22868704, 31243904, 33325118, 36772544, 43667396, 45737408, 62487808, 66650236, 73545088, 87334792, 91474816, 133300472, 147090176, 174669584, 182949632, 266600944, 316588621, 349339168, 533201888, 633177242, 698678336, 1066403776, 1266354484, 1397356672, 2132807552, 2532708968, 2794713344, 4265615104, 5065417936, 10130835872, 20261671744, 40523343488, 81046686976]

約数ペア:

[(1, 81046686976), (2, 40523343488), (4, 20261671744), (8, 10130835872), (16, 5065417936), (19, 4265615104), (29, 2794713344), (32, 2532708968), (38, 2132807552), (58, 1397356672), (64, 1266354484), (76, 1066403776), (116, 698678336), (128, 633177242), (152, 533201888), (232, 349339168), (256, 316588621), (304, 266600944), (443, 182949632), (464, 174669584), (551, 147090176), (608, 133300472), (886, 91474816), (928, 87334792), (1102, 73545088), (1216, 66650236), (1297, 62487808), (1772, 45737408), (1856, 43667396), (2204, 36772544), (2432, 33325118), (2594, 31243904), (3544, 22868704), (3712, 21833698), (4408, 18386272), (4864, 16662559), (5188, 15621952), (7088, 11434352), (7424, 10916849), (8417, 9628928), (8816, 9193136), (10376, 7810976), (12847, 6308608), (14176, 5717176), (16834, 4814464), (17632, 4596568), (20752, 3905488), (24643, 3288832), (25694, 3154304), (28352, 2858588), (33668, 2407232), (35264, 2298284), (37613, 2154752), (41504, 1952744), (49286, 1644416), (51388, 1577152), (56704, 1429294), (67336, 1203616), (70528, 1149142), (75226, 1077376), (83008, 976372), (98572, 822208), (102776, 788576), (113408, 714647), (134672, 601808), (141056, 574571), (150452, 538688), (166016, 488186), (197144, 411104), (205552, 394288), (244093, 332032), (269344, 300904)]