161536340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{863}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 397135872

約数和(自身を除く): 235599532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 382, 490, 764, 863, 955, 980, 1337, 1726, 1910, 2674, 3452, 3820, 4315, 5348, 6041, 6685, 8630, 9359, 12082, 13370, 17260, 18718, 24164, 26740, 30205, 37436, 42287, 46795, 60410, 84574, 93590, 120820, 164833, 169148, 187180, 211435, 329666, 422870, 659332, 824165, 845740, 1153831, 1648330, 2307662, 3296660, 4615324, 5769155, 8076817, 11538310, 16153634, 23076620, 32307268, 40384085, 80768170, 161536340]

約数ペア:

[(1, 161536340), (2, 80768170), (4, 40384085), (5, 32307268), (7, 23076620), (10, 16153634), (14, 11538310), (20, 8076817), (28, 5769155), (35, 4615324), (49, 3296660), (70, 2307662), (98, 1648330), (140, 1153831), (191, 845740), (196, 824165), (245, 659332), (382, 422870), (490, 329666), (764, 211435), (863, 187180), (955, 169148), (980, 164833), (1337, 120820), (1726, 93590), (1910, 84574), (2674, 60410), (3452, 46795), (3820, 42287), (4315, 37436), (5348, 30205), (6041, 26740), (6685, 24164), (8630, 18718), (9359, 17260), (12082, 13370)]