68467980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163019}}^1$

素因数の和:163038

約数の個数: 48

約数和(自身を含む): 219098880

約数和(自身を除く): 150630900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 163019, 326038, 489057, 652076, 815095, 978114, 1141133, 1630190, 1956228, 2282266, 2445285, 3260380, 3423399, 4564532, 4890570, 5705665, 6846798, 9781140, 11411330, 13693596, 17116995, 22822660, 34233990, 68467980]

約数ペア:

[(1, 68467980), (2, 34233990), (3, 22822660), (4, 17116995), (5, 13693596), (6, 11411330), (7, 9781140), (10, 6846798), (12, 5705665), (14, 4890570), (15, 4564532), (20, 3423399), (21, 3260380), (28, 2445285), (30, 2282266), (35, 1956228), (42, 1630190), (60, 1141133), (70, 978114), (84, 815095), (105, 652076), (140, 489057), (210, 326038), (420, 163019)]