231321520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 552464640

約数和(自身を除く): 321143120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 103, 134, 206, 268, 335, 412, 419, 515, 536, 670, 824, 838, 1030, 1072, 1340, 1648, 1676, 2060, 2095, 2680, 3352, 4120, 4190, 5360, 6704, 6901, 8240, 8380, 13802, 16760, 27604, 28073, 33520, 34505, 43157, 55208, 56146, 69010, 86314, 110416, 112292, 138020, 140365, 172628, 215785, 224584, 276040, 280730, 345256, 431570, 449168, 552080, 561460, 690512, 863140, 1122920, 1726280, 2245840, 2891519, 3452560, 5783038, 11566076, 14457595, 23132152, 28915190, 46264304, 57830380, 115660760, 231321520]

約数ペア:

[(1, 231321520), (2, 115660760), (4, 57830380), (5, 46264304), (8, 28915190), (10, 23132152), (16, 14457595), (20, 11566076), (40, 5783038), (67, 3452560), (80, 2891519), (103, 2245840), (134, 1726280), (206, 1122920), (268, 863140), (335, 690512), (412, 561460), (419, 552080), (515, 449168), (536, 431570), (670, 345256), (824, 280730), (838, 276040), (1030, 224584), (1072, 215785), (1340, 172628), (1648, 140365), (1676, 138020), (2060, 112292), (2095, 110416), (2680, 86314), (3352, 69010), (4120, 56146), (4190, 55208), (5360, 43157), (6704, 34505), (6901, 33520), (8240, 28073), (8380, 27604), (13802, 16760)]