660784208

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 120

約数和(自身を含む): 1555228584

約数和(自身を除く): 894444376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 61, 82, 98, 112, 122, 164, 196, 244, 287, 328, 337, 392, 427, 488, 574, 656, 674, 784, 854, 976, 1148, 1348, 1708, 2009, 2296, 2359, 2501, 2696, 2989, 3416, 4018, 4592, 4718, 5002, 5392, 5978, 6832, 8036, 9436, 10004, 11956, 13817, 16072, 16513, 17507, 18872, 20008, 20557, 23912, 27634, 32144, 33026, 35014, 37744, 40016, 41114, 47824, 55268, 66052, 70028, 82228, 96719, 110536, 122549, 132104, 140056, 143899, 164456, 193438, 221072, 245098, 264208, 280112, 287798, 328912, 386876, 490196, 575596, 677033, 773752, 842837, 980392, 1007293, 1151192, 1354066, 1547504, 1685674, 1960784, 2014586, 2302384, 2708132, 3371348, 4029172, 5416264, 5899859, 6742696, 8058344, 10832528, 11799718, 13485392, 16116688, 23599436, 41299013, 47198872, 82598026, 94397744, 165196052, 330392104, 660784208]

約数ペア:

[(1, 660784208), (2, 330392104), (4, 165196052), (7, 94397744), (8, 82598026), (14, 47198872), (16, 41299013), (28, 23599436), (41, 16116688), (49, 13485392), (56, 11799718), (61, 10832528), (82, 8058344), (98, 6742696), (112, 5899859), (122, 5416264), (164, 4029172), (196, 3371348), (244, 2708132), (287, 2302384), (328, 2014586), (337, 1960784), (392, 1685674), (427, 1547504), (488, 1354066), (574, 1151192), (656, 1007293), (674, 980392), (784, 842837), (854, 773752), (976, 677033), (1148, 575596), (1348, 490196), (1708, 386876), (2009, 328912), (2296, 287798), (2359, 280112), (2501, 264208), (2696, 245098), (2989, 221072), (3416, 193438), (4018, 164456), (4592, 143899), (4718, 140056), (5002, 132104), (5392, 122549), (5978, 110536), (6832, 96719), (8036, 82228), (9436, 70028), (10004, 66052), (11956, 55268), (13817, 47824), (16072, 41114), (16513, 40016), (17507, 37744), (18872, 35014), (20008, 33026), (20557, 32144), (23912, 27634)]