156348520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 360002880

約数和(自身を除く): 203654360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 227, 257, 268, 335, 454, 514, 536, 670, 908, 1028, 1135, 1285, 1340, 1816, 2056, 2270, 2570, 2680, 4540, 5140, 9080, 10280, 15209, 17219, 30418, 34438, 58339, 60836, 68876, 76045, 86095, 116678, 121672, 137752, 152090, 172190, 233356, 291695, 304180, 344380, 466712, 583390, 608360, 688760, 1166780, 2333560, 3908713, 7817426, 15634852, 19543565, 31269704, 39087130, 78174260, 156348520]

約数ペア:

[(1, 156348520), (2, 78174260), (4, 39087130), (5, 31269704), (8, 19543565), (10, 15634852), (20, 7817426), (40, 3908713), (67, 2333560), (134, 1166780), (227, 688760), (257, 608360), (268, 583390), (335, 466712), (454, 344380), (514, 304180), (536, 291695), (670, 233356), (908, 172190), (1028, 152090), (1135, 137752), (1285, 121672), (1340, 116678), (1816, 86095), (2056, 76045), (2270, 68876), (2570, 60836), (2680, 58339), (4540, 34438), (5140, 30418), (9080, 17219), (10280, 15209)]