247296660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317047}}^1$

素因数の和:317072

約数の個数: 48

約数和(自身を含む): 745696896

約数和(自身を除く): 498400236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 317047, 634094, 951141, 1268188, 1585235, 1902282, 3170470, 3804564, 4121611, 4755705, 6340940, 8243222, 9511410, 12364833, 16486444, 19022820, 20608055, 24729666, 41216110, 49459332, 61824165, 82432220, 123648330, 247296660]

約数ペア:

[(1, 247296660), (2, 123648330), (3, 82432220), (4, 61824165), (5, 49459332), (6, 41216110), (10, 24729666), (12, 20608055), (13, 19022820), (15, 16486444), (20, 12364833), (26, 9511410), (30, 8243222), (39, 6340940), (52, 4755705), (60, 4121611), (65, 3804564), (78, 3170470), (130, 1902282), (156, 1585235), (195, 1268188), (260, 951141), (390, 634094), (780, 317047)]