256125256640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{157837}}^1$

素因数の和:158326

約数の個数: 112

約数和(自身を含む): 666791050464

約数和(自身を除く): 410665793824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 461, 704, 880, 922, 1760, 1844, 2305, 3520, 3688, 4610, 5071, 7376, 9220, 10142, 14752, 18440, 20284, 25355, 29504, 36880, 40568, 50710, 73760, 81136, 101420, 147520, 157837, 162272, 202840, 315674, 324544, 405680, 631348, 789185, 811360, 1262696, 1578370, 1622720, 1736207, 2525392, 3156740, 3472414, 5050784, 6313480, 6944828, 8681035, 10101568, 12626960, 13889656, 17362070, 25253920, 27779312, 34724140, 50507840, 55558624, 69448280, 72762857, 111117248, 138896560, 145525714, 277793120, 291051428, 363814285, 555586240, 582102856, 727628570, 800391427, 1164205712, 1455257140, 1600782854, 2328411424, 2910514280, 3201565708, 4001957135, 4656822848, 5821028560, 6403131416, 8003914270, 11642057120, 12806262832, 16007828540, 23284114240, 25612525664, 32015657080, 51225051328, 64031314160, 128062628320, 256125256640]

約数ペア:

[(1, 256125256640), (2, 128062628320), (4, 64031314160), (5, 51225051328), (8, 32015657080), (10, 25612525664), (11, 23284114240), (16, 16007828540), (20, 12806262832), (22, 11642057120), (32, 8003914270), (40, 6403131416), (44, 5821028560), (55, 4656822848), (64, 4001957135), (80, 3201565708), (88, 2910514280), (110, 2328411424), (160, 1600782854), (176, 1455257140), (220, 1164205712), (320, 800391427), (352, 727628570), (440, 582102856), (461, 555586240), (704, 363814285), (880, 291051428), (922, 277793120), (1760, 145525714), (1844, 138896560), (2305, 111117248), (3520, 72762857), (3688, 69448280), (4610, 55558624), (5071, 50507840), (7376, 34724140), (9220, 27779312), (10142, 25253920), (14752, 17362070), (18440, 13889656), (20284, 12626960), (25355, 10101568), (29504, 8681035), (36880, 6944828), (40568, 6313480), (50710, 5050784), (73760, 3472414), (81136, 3156740), (101420, 2525392), (147520, 1736207), (157837, 1622720), (162272, 1578370), (202840, 1262696), (315674, 811360), (324544, 789185), (405680, 631348)]