78897728

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 224

約数和(自身を含む): 218480640

約数和(自身を除く): 139582912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 31, 32, 38, 46, 52, 56, 62, 64, 76, 91, 92, 104, 112, 124, 133, 152, 161, 182, 184, 208, 217, 224, 247, 248, 266, 299, 304, 322, 364, 368, 403, 416, 434, 437, 448, 494, 496, 532, 589, 598, 608, 644, 713, 728, 736, 806, 832, 868, 874, 988, 992, 1064, 1178, 1196, 1216, 1288, 1426, 1456, 1472, 1612, 1729, 1736, 1748, 1976, 1984, 2093, 2128, 2356, 2392, 2576, 2821, 2852, 2912, 3059, 3224, 3458, 3472, 3496, 3952, 4123, 4186, 4256, 4712, 4784, 4991, 5152, 5642, 5681, 5704, 5824, 6118, 6448, 6916, 6944, 6992, 7657, 7904, 8246, 8372, 8512, 9269, 9424, 9568, 9982, 10304, 11284, 11362, 11408, 12236, 12896, 13547, 13832, 13888, 13984, 15314, 15808, 16492, 16744, 18538, 18848, 19136, 19964, 22568, 22724, 22816, 24472, 25792, 27094, 27664, 27968, 30628, 32984, 33488, 37076, 37696, 39767, 39928, 45136, 45448, 45632, 48944, 53599, 54188, 55328, 61256, 64883, 65968, 66976, 74152, 79534, 79856, 90272, 90896, 94829, 97888, 107198, 108376, 110656, 122512, 129766, 131936, 133952, 148304, 159068, 159712, 176111, 180544, 181792, 189658, 195776, 214396, 216752, 245024, 259532, 263872, 296608, 318136, 319424, 352222, 363584, 379316, 428792, 433504, 490048, 519064, 593216, 636272, 704444, 758632, 857584, 867008, 1038128, 1232777, 1272544, 1408888, 1517264, 1715168, 2076256, 2465554, 2545088, 2817776, 3034528, 3430336, 4152512, 4931108, 5635552, 6069056, 9862216, 11271104, 19724432, 39448864, 78897728]

約数ペア:

[(1, 78897728), (2, 39448864), (4, 19724432), (7, 11271104), (8, 9862216), (13, 6069056), (14, 5635552), (16, 4931108), (19, 4152512), (23, 3430336), (26, 3034528), (28, 2817776), (31, 2545088), (32, 2465554), (38, 2076256), (46, 1715168), (52, 1517264), (56, 1408888), (62, 1272544), (64, 1232777), (76, 1038128), (91, 867008), (92, 857584), (104, 758632), (112, 704444), (124, 636272), (133, 593216), (152, 519064), (161, 490048), (182, 433504), (184, 428792), (208, 379316), (217, 363584), (224, 352222), (247, 319424), (248, 318136), (266, 296608), (299, 263872), (304, 259532), (322, 245024), (364, 216752), (368, 214396), (403, 195776), (416, 189658), (434, 181792), (437, 180544), (448, 176111), (494, 159712), (496, 159068), (532, 148304), (589, 133952), (598, 131936), (608, 129766), (644, 122512), (713, 110656), (728, 108376), (736, 107198), (806, 97888), (832, 94829), (868, 90896), (874, 90272), (988, 79856), (992, 79534), (1064, 74152), (1178, 66976), (1196, 65968), (1216, 64883), (1288, 61256), (1426, 55328), (1456, 54188), (1472, 53599), (1612, 48944), (1729, 45632), (1736, 45448), (1748, 45136), (1976, 39928), (1984, 39767), (2093, 37696), (2128, 37076), (2356, 33488), (2392, 32984), (2576, 30628), (2821, 27968), (2852, 27664), (2912, 27094), (3059, 25792), (3224, 24472), (3458, 22816), (3472, 22724), (3496, 22568), (3952, 19964), (4123, 19136), (4186, 18848), (4256, 18538), (4712, 16744), (4784, 16492), (4991, 15808), (5152, 15314), (5642, 13984), (5681, 13888), (5704, 13832), (5824, 13547), (6118, 12896), (6448, 12236), (6916, 11408), (6944, 11362), (6992, 11284), (7657, 10304), (7904, 9982), (8246, 9568), (8372, 9424), (8512, 9269)]