81115344

素因数分解:

$2^4\times 3^5\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 243373312

約数和(自身を除く): 162257968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 186, 216, 243, 248, 279, 324, 372, 432, 486, 496, 558, 648, 673, 744, 837, 972, 1116, 1296, 1346, 1488, 1674, 1944, 2019, 2232, 2511, 2692, 3348, 3888, 4038, 4464, 5022, 5384, 6057, 6696, 7533, 8076, 10044, 10768, 12114, 13392, 15066, 16152, 18171, 20088, 20863, 24228, 30132, 32304, 36342, 40176, 41726, 48456, 54513, 60264, 62589, 72684, 83452, 96912, 109026, 120528, 125178, 145368, 163539, 166904, 187767, 218052, 250356, 290736, 327078, 333808, 375534, 436104, 500712, 563301, 654156, 751068, 872208, 1001424, 1126602, 1308312, 1502136, 1689903, 2253204, 2616624, 3004272, 3379806, 4506408, 5069709, 6759612, 9012816, 10139418, 13519224, 20278836, 27038448, 40557672, 81115344]

約数ペア:

[(1, 81115344), (2, 40557672), (3, 27038448), (4, 20278836), (6, 13519224), (8, 10139418), (9, 9012816), (12, 6759612), (16, 5069709), (18, 4506408), (24, 3379806), (27, 3004272), (31, 2616624), (36, 2253204), (48, 1689903), (54, 1502136), (62, 1308312), (72, 1126602), (81, 1001424), (93, 872208), (108, 751068), (124, 654156), (144, 563301), (162, 500712), (186, 436104), (216, 375534), (243, 333808), (248, 327078), (279, 290736), (324, 250356), (372, 218052), (432, 187767), (486, 166904), (496, 163539), (558, 145368), (648, 125178), (673, 120528), (744, 109026), (837, 96912), (972, 83452), (1116, 72684), (1296, 62589), (1346, 60264), (1488, 54513), (1674, 48456), (1944, 41726), (2019, 40176), (2232, 36342), (2511, 32304), (2692, 30132), (3348, 24228), (3888, 20863), (4038, 20088), (4464, 18171), (5022, 16152), (5384, 15066), (6057, 13392), (6696, 12114), (7533, 10768), (8076, 10044)]