2018227456

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 144

約数和(自身を含む): 4815664000

約数和(自身を除く): 2797436544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 61, 64, 74, 112, 122, 128, 148, 224, 244, 256, 259, 296, 427, 448, 488, 499, 518, 592, 854, 896, 976, 998, 1036, 1184, 1708, 1792, 1952, 1996, 2072, 2257, 2368, 3416, 3493, 3904, 3992, 4144, 4514, 4736, 6832, 6986, 7808, 7984, 8288, 9028, 9472, 13664, 13972, 15616, 15799, 15968, 16576, 18056, 18463, 27328, 27944, 30439, 31598, 31936, 33152, 36112, 36926, 54656, 55888, 60878, 63196, 63872, 66304, 72224, 73852, 109312, 111776, 121756, 126392, 127744, 129241, 144448, 147704, 213073, 223552, 243512, 252784, 258482, 288896, 295408, 426146, 447104, 487024, 505568, 516964, 577792, 590816, 852292, 894208, 974048, 1011136, 1033928, 1126243, 1181632, 1704584, 1948096, 2022272, 2067856, 2252486, 2363264, 3409168, 3896192, 4044544, 4135712, 4504972, 4726528, 6818336, 7792384, 7883701, 8271424, 9009944, 13636672, 15767402, 16542848, 18019888, 27273344, 31534804, 33085696, 36039776, 54546688, 63069608, 72079552, 126139216, 144159104, 252278432, 288318208, 504556864, 1009113728, 2018227456]

約数ペア:

[(1, 2018227456), (2, 1009113728), (4, 504556864), (7, 288318208), (8, 252278432), (14, 144159104), (16, 126139216), (28, 72079552), (32, 63069608), (37, 54546688), (56, 36039776), (61, 33085696), (64, 31534804), (74, 27273344), (112, 18019888), (122, 16542848), (128, 15767402), (148, 13636672), (224, 9009944), (244, 8271424), (256, 7883701), (259, 7792384), (296, 6818336), (427, 4726528), (448, 4504972), (488, 4135712), (499, 4044544), (518, 3896192), (592, 3409168), (854, 2363264), (896, 2252486), (976, 2067856), (998, 2022272), (1036, 1948096), (1184, 1704584), (1708, 1181632), (1792, 1126243), (1952, 1033928), (1996, 1011136), (2072, 974048), (2257, 894208), (2368, 852292), (3416, 590816), (3493, 577792), (3904, 516964), (3992, 505568), (4144, 487024), (4514, 447104), (4736, 426146), (6832, 295408), (6986, 288896), (7808, 258482), (7984, 252784), (8288, 243512), (9028, 223552), (9472, 213073), (13664, 147704), (13972, 144448), (15616, 129241), (15799, 127744), (15968, 126392), (16576, 121756), (18056, 111776), (18463, 109312), (27328, 73852), (27944, 72224), (30439, 66304), (31598, 63872), (31936, 63196), (33152, 60878), (36112, 55888), (36926, 54656)]